661494120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 384

約数和(自身を含む): 2521497600

約数和(自身を除く): 1860003480

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, 49, 56, 57, 60, 62, 70, 76, 84, 93, 95, 98, 105, 114, 120, 124, 133, 140, 147, 152, 155, 168, 186, 190, 191, 196, 210, 217, 228, 245, 248, 266, 280, 285, 294, 310, 372, 380, 382, 392, 399, 420, 434, 456, 465, 490, 532, 570, 573, 588, 589, 620, 651, 665, 735, 744, 760, 764, 798, 840, 868, 930, 931, 955, 980, 1064, 1085, 1140, 1146, 1176, 1178, 1240, 1302, 1330, 1337, 1470, 1519, 1528, 1596, 1736, 1767, 1860, 1862, 1910, 1960, 1995, 2170, 2280, 2292, 2356, 2604, 2660, 2674, 2793, 2865, 2940, 2945, 3038, 3192, 3255, 3534, 3629, 3720, 3724, 3820, 3990, 4011, 4123, 4340, 4557, 4584, 4655, 4712, 5208, 5320, 5348, 5586, 5730, 5880, 5890, 5921, 6076, 6510, 6685, 7068, 7258, 7448, 7595, 7640, 7980, 8022, 8246, 8680, 8835, 9114, 9310, 9359, 10696, 10887, 11172, 11460, 11780, 11842, 12152, 12369, 13020, 13370, 13965, 14136, 14516, 15190, 15960, 16044, 16492, 17670, 17763, 18145, 18228, 18620, 18718, 20055, 20615, 21774, 22344, 22785, 22920, 23560, 23684, 24738, 25403, 26040, 26740, 27930, 28077, 28861, 29032, 29605, 30380, 32088, 32984, 35340, 35526, 36290, 36456, 37240, 37436, 40110, 41230, 41447, 43548, 45570, 46795, 47368, 49476, 50806, 53480, 54435, 55860, 56154, 57722, 59210, 60760, 61845, 70680, 71052, 72580, 74872, 76209, 80220, 82460, 82894, 86583, 87096, 88815, 91140, 93590, 98952, 101612, 108870, 111720, 112308, 112499, 115444, 118420, 123690, 124341, 127015, 140385, 142104, 144305, 145160, 152418, 160440, 164920, 165788, 173166, 177630, 177821, 182280, 187180, 203224, 207235, 217740, 224616, 224998, 230888, 236840, 247380, 248682, 254030, 280770, 288610, 290129, 304836, 331576, 337497, 346332, 355260, 355642, 374360, 381045, 414470, 432915, 435480, 449996, 494760, 497364, 508060, 533463, 561540, 562495, 577220, 580258, 609672, 621705, 674994, 692664, 710520, 711284, 762090, 787493, 828940, 865830, 870387, 889105, 899992, 994728, 1016120, 1066926, 1123080, 1124990, 1154440, 1160516, 1243410, 1349988, 1422568, 1450645, 1524180, 1574986, 1657880, 1687485, 1731660, 1740774, 1778210, 2133852, 2249980, 2321032, 2362479, 2486820, 2667315, 2699976, 2901290, 3048360, 3149972, 3374970, 3463320, 3481548, 3556420, 3937465, 4267704, 4351935, 4499960, 4724958, 4973640, 5334630, 5512451, 5802580, 6299944, 6749940, 6963096, 7112840, 7874930, 8703870, 9449916, 10669260, 11024902, 11605160, 11812395, 13499880, 15749860, 16537353, 17407740, 18899832, 21338520, 22049804, 23624790, 27562255, 31499720, 33074706, 34815480, 44099608, 47249580, 55124510, 66149412, 82686765, 94499160, 110249020, 132298824, 165373530, 220498040, 330747060, 661494120]

約数ペア:

[(1, 661494120), (2, 330747060), (3, 220498040), (4, 165373530), (5, 132298824), (6, 110249020), (7, 94499160), (8, 82686765), (10, 66149412), (12, 55124510), (14, 47249580), (15, 44099608), (19, 34815480), (20, 33074706), (21, 31499720), (24, 27562255), (28, 23624790), (30, 22049804), (31, 21338520), (35, 18899832), (38, 17407740), (40, 16537353), (42, 15749860), (49, 13499880), (56, 11812395), (57, 11605160), (60, 11024902), (62, 10669260), (70, 9449916), (76, 8703870), (84, 7874930), (93, 7112840), (95, 6963096), (98, 6749940), (105, 6299944), (114, 5802580), (120, 5512451), (124, 5334630), (133, 4973640), (140, 4724958), (147, 4499960), (152, 4351935), (155, 4267704), (168, 3937465), (186, 3556420), (190, 3481548), (191, 3463320), (196, 3374970), (210, 3149972), (217, 3048360), (228, 2901290), (245, 2699976), (248, 2667315), (266, 2486820), (280, 2362479), (285, 2321032), (294, 2249980), (310, 2133852), (372, 1778210), (380, 1740774), (382, 1731660), (392, 1687485), (399, 1657880), (420, 1574986), (434, 1524180), (456, 1450645), (465, 1422568), (490, 1349988), (532, 1243410), (570, 1160516), (573, 1154440), (588, 1124990), (589, 1123080), (620, 1066926), (651, 1016120), (665, 994728), (735, 899992), (744, 889105), (760, 870387), (764, 865830), (798, 828940), (840, 787493), (868, 762090), (930, 711284), (931, 710520), (955, 692664), (980, 674994), (1064, 621705), (1085, 609672), (1140, 580258), (1146, 577220), (1176, 562495), (1178, 561540), (1240, 533463), (1302, 508060), (1330, 497364), (1337, 494760), (1470, 449996), (1519, 435480), (1528, 432915), (1596, 414470), (1736, 381045), (1767, 374360), (1860, 355642), (1862, 355260), (1910, 346332), (1960, 337497), (1995, 331576), (2170, 304836), (2280, 290129), (2292, 288610), (2356, 280770), (2604, 254030), (2660, 248682), (2674, 247380), (2793, 236840), (2865, 230888), (2940, 224998), (2945, 224616), (3038, 217740), (3192, 207235), (3255, 203224), (3534, 187180), (3629, 182280), (3720, 177821), (3724, 177630), (3820, 173166), (3990, 165788), (4011, 164920), (4123, 160440), (4340, 152418), (4557, 145160), (4584, 144305), (4655, 142104), (4712, 140385), (5208, 127015), (5320, 124341), (5348, 123690), (5586, 118420), (5730, 115444), (5880, 112499), (5890, 112308), (5921, 111720), (6076, 108870), (6510, 101612), (6685, 98952), (7068, 93590), (7258, 91140), (7448, 88815), (7595, 87096), (7640, 86583), (7980, 82894), (8022, 82460), (8246, 80220), (8680, 76209), (8835, 74872), (9114, 72580), (9310, 71052), (9359, 70680), (10696, 61845), (10887, 60760), (11172, 59210), (11460, 57722), (11780, 56154), (11842, 55860), (12152, 54435), (12369, 53480), (13020, 50806), (13370, 49476), (13965, 47368), (14136, 46795), (14516, 45570), (15190, 43548), (15960, 41447), (16044, 41230), (16492, 40110), (17670, 37436), (17763, 37240), (18145, 36456), (18228, 36290), (18620, 35526), (18718, 35340), (20055, 32984), (20615, 32088), (21774, 30380), (22344, 29605), (22785, 29032), (22920, 28861), (23560, 28077), (23684, 27930), (24738, 26740), (25403, 26040)]