18800880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 72566784

約数和(自身を除く): 53765904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 105, 112, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 240, 248, 266, 280, 285, 304, 310, 336, 361, 372, 380, 399, 420, 434, 456, 465, 496, 532, 560, 570, 589, 620, 651, 665, 722, 744, 760, 798, 840, 868, 912, 930, 1064, 1083, 1085, 1140, 1178, 1240, 1302, 1330, 1444, 1488, 1520, 1596, 1680, 1736, 1767, 1805, 1860, 1995, 2128, 2166, 2170, 2280, 2356, 2480, 2527, 2604, 2660, 2888, 2945, 3192, 3255, 3472, 3534, 3610, 3720, 3990, 4123, 4332, 4340, 4560, 4712, 5054, 5208, 5320, 5415, 5776, 5890, 6384, 6510, 7068, 7220, 7440, 7581, 7980, 8246, 8664, 8680, 8835, 9424, 10108, 10416, 10640, 10830, 11191, 11780, 12369, 12635, 13020, 14136, 14440, 15162, 15960, 16492, 17328, 17360, 17670, 20216, 20615, 21660, 22382, 23560, 24738, 25270, 26040, 28272, 28880, 30324, 31920, 32984, 33573, 35340, 37905, 40432, 41230, 43320, 44764, 47120, 49476, 50540, 52080, 55955, 60648, 61845, 65968, 67146, 70680, 75810, 78337, 82460, 86640, 89528, 98952, 101080, 111910, 121296, 123690, 134292, 141360, 151620, 156674, 164920, 167865, 179056, 197904, 202160, 223820, 235011, 247380, 268584, 303240, 313348, 329840, 335730, 391685, 447640, 470022, 494760, 537168, 606480, 626696, 671460, 783370, 895280, 940044, 989520, 1175055, 1253392, 1342920, 1566740, 1880088, 2350110, 2685840, 3133480, 3760176, 4700220, 6266960, 9400440, 18800880]

約数ペア:

[(1, 18800880), (2, 9400440), (3, 6266960), (4, 4700220), (5, 3760176), (6, 3133480), (7, 2685840), (8, 2350110), (10, 1880088), (12, 1566740), (14, 1342920), (15, 1253392), (16, 1175055), (19, 989520), (20, 940044), (21, 895280), (24, 783370), (28, 671460), (30, 626696), (31, 606480), (35, 537168), (38, 494760), (40, 470022), (42, 447640), (48, 391685), (56, 335730), (57, 329840), (60, 313348), (62, 303240), (70, 268584), (76, 247380), (80, 235011), (84, 223820), (93, 202160), (95, 197904), (105, 179056), (112, 167865), (114, 164920), (120, 156674), (124, 151620), (133, 141360), (140, 134292), (152, 123690), (155, 121296), (168, 111910), (186, 101080), (190, 98952), (210, 89528), (217, 86640), (228, 82460), (240, 78337), (248, 75810), (266, 70680), (280, 67146), (285, 65968), (304, 61845), (310, 60648), (336, 55955), (361, 52080), (372, 50540), (380, 49476), (399, 47120), (420, 44764), (434, 43320), (456, 41230), (465, 40432), (496, 37905), (532, 35340), (560, 33573), (570, 32984), (589, 31920), (620, 30324), (651, 28880), (665, 28272), (722, 26040), (744, 25270), (760, 24738), (798, 23560), (840, 22382), (868, 21660), (912, 20615), (930, 20216), (1064, 17670), (1083, 17360), (1085, 17328), (1140, 16492), (1178, 15960), (1240, 15162), (1302, 14440), (1330, 14136), (1444, 13020), (1488, 12635), (1520, 12369), (1596, 11780), (1680, 11191), (1736, 10830), (1767, 10640), (1805, 10416), (1860, 10108), (1995, 9424), (2128, 8835), (2166, 8680), (2170, 8664), (2280, 8246), (2356, 7980), (2480, 7581), (2527, 7440), (2604, 7220), (2660, 7068), (2888, 6510), (2945, 6384), (3192, 5890), (3255, 5776), (3472, 5415), (3534, 5320), (3610, 5208), (3720, 5054), (3990, 4712), (4123, 4560), (4332, 4340)]