64190360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 167832000

約数和(自身を除く): 103641640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 73, 76, 89, 95, 104, 130, 146, 152, 178, 190, 247, 260, 292, 356, 365, 380, 445, 494, 520, 584, 712, 730, 760, 890, 949, 988, 1157, 1235, 1387, 1460, 1691, 1780, 1898, 1976, 2314, 2470, 2774, 2920, 3382, 3560, 3796, 4628, 4745, 4940, 5548, 5785, 6497, 6764, 6935, 7592, 8455, 9256, 9490, 9880, 11096, 11570, 12994, 13528, 13870, 16910, 18031, 18980, 21983, 23140, 25988, 27740, 32485, 33820, 36062, 37960, 43966, 46280, 51976, 55480, 64970, 67640, 72124, 84461, 87932, 90155, 109915, 123443, 129940, 144248, 168922, 175864, 180310, 219830, 246886, 259880, 337844, 360620, 422305, 439660, 493772, 617215, 675688, 721240, 844610, 879320, 987544, 1234430, 1604759, 1689220, 2468860, 3209518, 3378440, 4937720, 6419036, 8023795, 12838072, 16047590, 32095180, 64190360]

約数ペア:

[(1, 64190360), (2, 32095180), (4, 16047590), (5, 12838072), (8, 8023795), (10, 6419036), (13, 4937720), (19, 3378440), (20, 3209518), (26, 2468860), (38, 1689220), (40, 1604759), (52, 1234430), (65, 987544), (73, 879320), (76, 844610), (89, 721240), (95, 675688), (104, 617215), (130, 493772), (146, 439660), (152, 422305), (178, 360620), (190, 337844), (247, 259880), (260, 246886), (292, 219830), (356, 180310), (365, 175864), (380, 168922), (445, 144248), (494, 129940), (520, 123443), (584, 109915), (712, 90155), (730, 87932), (760, 84461), (890, 72124), (949, 67640), (988, 64970), (1157, 55480), (1235, 51976), (1387, 46280), (1460, 43966), (1691, 37960), (1780, 36062), (1898, 33820), (1976, 32485), (2314, 27740), (2470, 25988), (2774, 23140), (2920, 21983), (3382, 18980), (3560, 18031), (3796, 16910), (4628, 13870), (4745, 13528), (4940, 12994), (5548, 11570), (5785, 11096), (6497, 9880), (6764, 9490), (6935, 9256), (7592, 8455)]