1245807780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 4081674240

約数和(自身を除く): 2835866460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 179, 210, 219, 227, 292, 358, 365, 420, 438, 454, 511, 537, 681, 716, 730, 876, 895, 908, 1022, 1074, 1095, 1135, 1253, 1362, 1460, 1533, 1589, 1790, 2044, 2148, 2190, 2270, 2506, 2555, 2685, 2724, 3066, 3178, 3405, 3580, 3759, 4380, 4540, 4767, 5012, 5110, 5370, 6132, 6265, 6356, 6810, 7518, 7665, 7945, 9534, 10220, 10740, 12530, 13067, 13620, 15036, 15330, 15890, 16571, 18795, 19068, 23835, 25060, 26134, 30660, 31780, 33142, 37590, 39201, 40633, 47670, 49713, 52268, 65335, 66284, 75180, 78402, 81266, 82855, 91469, 95340, 99426, 115997, 121899, 130670, 156804, 162532, 165710, 182938, 196005, 198852, 203165, 231994, 243798, 248565, 261340, 274407, 284431, 331420, 347991, 365876, 392010, 406330, 457345, 463988, 487596, 497130, 548814, 568862, 579985, 609495, 695982, 784020, 812660, 853293, 914690, 994260, 1097628, 1137724, 1159970, 1218990, 1372035, 1391964, 1422155, 1706586, 1739955, 1829380, 2319940, 2437980, 2744070, 2844310, 2966209, 3413172, 3479910, 4266465, 5488140, 5688620, 5932418, 6959820, 8532930, 8898627, 11864836, 14831045, 17065860, 17797254, 20763463, 29662090, 35594508, 41526926, 44493135, 59324180, 62290389, 83053852, 88986270, 103817315, 124580778, 177972540, 207634630, 249161556, 311451945, 415269260, 622903890, 1245807780]

約数ペア:

[(1, 1245807780), (2, 622903890), (3, 415269260), (4, 311451945), (5, 249161556), (6, 207634630), (7, 177972540), (10, 124580778), (12, 103817315), (14, 88986270), (15, 83053852), (20, 62290389), (21, 59324180), (28, 44493135), (30, 41526926), (35, 35594508), (42, 29662090), (60, 20763463), (70, 17797254), (73, 17065860), (84, 14831045), (105, 11864836), (140, 8898627), (146, 8532930), (179, 6959820), (210, 5932418), (219, 5688620), (227, 5488140), (292, 4266465), (358, 3479910), (365, 3413172), (420, 2966209), (438, 2844310), (454, 2744070), (511, 2437980), (537, 2319940), (681, 1829380), (716, 1739955), (730, 1706586), (876, 1422155), (895, 1391964), (908, 1372035), (1022, 1218990), (1074, 1159970), (1095, 1137724), (1135, 1097628), (1253, 994260), (1362, 914690), (1460, 853293), (1533, 812660), (1589, 784020), (1790, 695982), (2044, 609495), (2148, 579985), (2190, 568862), (2270, 548814), (2506, 497130), (2555, 487596), (2685, 463988), (2724, 457345), (3066, 406330), (3178, 392010), (3405, 365876), (3580, 347991), (3759, 331420), (4380, 284431), (4540, 274407), (4767, 261340), (5012, 248565), (5110, 243798), (5370, 231994), (6132, 203165), (6265, 198852), (6356, 196005), (6810, 182938), (7518, 165710), (7665, 162532), (7945, 156804), (9534, 130670), (10220, 121899), (10740, 115997), (12530, 99426), (13067, 95340), (13620, 91469), (15036, 82855), (15330, 81266), (15890, 78402), (16571, 75180), (18795, 66284), (19068, 65335), (23835, 52268), (25060, 49713), (26134, 47670), (30660, 40633), (31780, 39201), (33142, 37590)]