686232120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 384

約数和(自身を含む): 2598359040

約数和(自身を除く): 1912126920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 73, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 146, 152, 155, 168, 186, 190, 210, 217, 219, 228, 248, 266, 280, 285, 292, 310, 361, 365, 372, 380, 399, 420, 434, 438, 456, 465, 511, 532, 570, 584, 589, 620, 651, 665, 722, 730, 744, 760, 798, 840, 868, 876, 930, 1022, 1064, 1083, 1085, 1095, 1140, 1178, 1240, 1302, 1330, 1387, 1444, 1460, 1533, 1596, 1736, 1752, 1767, 1805, 1860, 1995, 2044, 2166, 2170, 2190, 2263, 2280, 2356, 2527, 2555, 2604, 2660, 2774, 2888, 2920, 2945, 3066, 3192, 3255, 3534, 3610, 3720, 3990, 4088, 4123, 4161, 4332, 4340, 4380, 4526, 4712, 5054, 5110, 5208, 5320, 5415, 5548, 5890, 6132, 6510, 6789, 6935, 7068, 7220, 7581, 7665, 7980, 8246, 8322, 8664, 8680, 8760, 8835, 9052, 9709, 10108, 10220, 10830, 11096, 11191, 11315, 11780, 12264, 12369, 12635, 13020, 13578, 13870, 14136, 14440, 15162, 15330, 15841, 15960, 16492, 16644, 17670, 18104, 19418, 20216, 20440, 20615, 20805, 21660, 22382, 22630, 23560, 24738, 25270, 26040, 26353, 27156, 27740, 29127, 30324, 30660, 31682, 32984, 33288, 33573, 33945, 35340, 37905, 38836, 41230, 41610, 42997, 43320, 44764, 45260, 47523, 48545, 49476, 50540, 52706, 54312, 55480, 55955, 58254, 60648, 61320, 61845, 63364, 67146, 67890, 70680, 75810, 77672, 78337, 79059, 79205, 82460, 83220, 85994, 89528, 90520, 95046, 97090, 98952, 101080, 105412, 111910, 116508, 123690, 126728, 128991, 131765, 134292, 135780, 145635, 151620, 156674, 158118, 158410, 164920, 166440, 167865, 171988, 184471, 190092, 194180, 210824, 214985, 223820, 233016, 235011, 237615, 247380, 257982, 263530, 268584, 271560, 291270, 300979, 303240, 313348, 316236, 316820, 335730, 343976, 368942, 380184, 388360, 391685, 395295, 429970, 447640, 470022, 475230, 494760, 515964, 527060, 553413, 582540, 601958, 626696, 632472, 633640, 644955, 671460, 737884, 783370, 790590, 816943, 859940, 902937, 922355, 940044, 950460, 1031928, 1054120, 1106826, 1165080, 1175055, 1203916, 1289910, 1342920, 1475768, 1504895, 1566740, 1581180, 1633886, 1719880, 1805874, 1844710, 1880088, 1900920, 2213652, 2350110, 2407832, 2450829, 2579820, 2767065, 3009790, 3133480, 3162360, 3267772, 3611748, 3689420, 4084715, 4427304, 4514685, 4700220, 4901658, 5159640, 5534130, 5718601, 6019580, 6535544, 7223496, 7378840, 8169430, 9029370, 9400440, 9803316, 11068260, 11437202, 12039160, 12254145, 16338860, 17155803, 18058740, 19606632, 22136520, 22874404, 24508290, 28593005, 32677720, 34311606, 36117480, 45748808, 49016580, 57186010, 68623212, 85779015, 98033160, 114372020, 137246424, 171558030, 228744040, 343116060, 686232120]

約数ペア:

[(1, 686232120), (2, 343116060), (3, 228744040), (4, 171558030), (5, 137246424), (6, 114372020), (7, 98033160), (8, 85779015), (10, 68623212), (12, 57186010), (14, 49016580), (15, 45748808), (19, 36117480), (20, 34311606), (21, 32677720), (24, 28593005), (28, 24508290), (30, 22874404), (31, 22136520), (35, 19606632), (38, 18058740), (40, 17155803), (42, 16338860), (56, 12254145), (57, 12039160), (60, 11437202), (62, 11068260), (70, 9803316), (73, 9400440), (76, 9029370), (84, 8169430), (93, 7378840), (95, 7223496), (105, 6535544), (114, 6019580), (120, 5718601), (124, 5534130), (133, 5159640), (140, 4901658), (146, 4700220), (152, 4514685), (155, 4427304), (168, 4084715), (186, 3689420), (190, 3611748), (210, 3267772), (217, 3162360), (219, 3133480), (228, 3009790), (248, 2767065), (266, 2579820), (280, 2450829), (285, 2407832), (292, 2350110), (310, 2213652), (361, 1900920), (365, 1880088), (372, 1844710), (380, 1805874), (399, 1719880), (420, 1633886), (434, 1581180), (438, 1566740), (456, 1504895), (465, 1475768), (511, 1342920), (532, 1289910), (570, 1203916), (584, 1175055), (589, 1165080), (620, 1106826), (651, 1054120), (665, 1031928), (722, 950460), (730, 940044), (744, 922355), (760, 902937), (798, 859940), (840, 816943), (868, 790590), (876, 783370), (930, 737884), (1022, 671460), (1064, 644955), (1083, 633640), (1085, 632472), (1095, 626696), (1140, 601958), (1178, 582540), (1240, 553413), (1302, 527060), (1330, 515964), (1387, 494760), (1444, 475230), (1460, 470022), (1533, 447640), (1596, 429970), (1736, 395295), (1752, 391685), (1767, 388360), (1805, 380184), (1860, 368942), (1995, 343976), (2044, 335730), (2166, 316820), (2170, 316236), (2190, 313348), (2263, 303240), (2280, 300979), (2356, 291270), (2527, 271560), (2555, 268584), (2604, 263530), (2660, 257982), (2774, 247380), (2888, 237615), (2920, 235011), (2945, 233016), (3066, 223820), (3192, 214985), (3255, 210824), (3534, 194180), (3610, 190092), (3720, 184471), (3990, 171988), (4088, 167865), (4123, 166440), (4161, 164920), (4332, 158410), (4340, 158118), (4380, 156674), (4526, 151620), (4712, 145635), (5054, 135780), (5110, 134292), (5208, 131765), (5320, 128991), (5415, 126728), (5548, 123690), (5890, 116508), (6132, 111910), (6510, 105412), (6789, 101080), (6935, 98952), (7068, 97090), (7220, 95046), (7581, 90520), (7665, 89528), (7980, 85994), (8246, 83220), (8322, 82460), (8664, 79205), (8680, 79059), (8760, 78337), (8835, 77672), (9052, 75810), (9709, 70680), (10108, 67890), (10220, 67146), (10830, 63364), (11096, 61845), (11191, 61320), (11315, 60648), (11780, 58254), (12264, 55955), (12369, 55480), (12635, 54312), (13020, 52706), (13578, 50540), (13870, 49476), (14136, 48545), (14440, 47523), (15162, 45260), (15330, 44764), (15841, 43320), (15960, 42997), (16492, 41610), (16644, 41230), (17670, 38836), (18104, 37905), (19418, 35340), (20216, 33945), (20440, 33573), (20615, 33288), (20805, 32984), (21660, 31682), (22382, 30660), (22630, 30324), (23560, 29127), (24738, 27740), (25270, 27156), (26040, 26353)]