664458880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1122

約数の個数: 128

約数和(自身を含む): 1705276800

約数和(自身を除く): 1040817920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 128, 152, 160, 190, 212, 265, 304, 320, 380, 424, 530, 608, 640, 760, 848, 1007, 1031, 1060, 1216, 1520, 1696, 2014, 2062, 2120, 2432, 3040, 3392, 4028, 4124, 4240, 5035, 5155, 6080, 6784, 8056, 8248, 8480, 10070, 10310, 12160, 16112, 16496, 16960, 19589, 20140, 20620, 32224, 32992, 33920, 39178, 40280, 41240, 54643, 64448, 65984, 78356, 80560, 82480, 97945, 109286, 128896, 131968, 156712, 161120, 164960, 195890, 218572, 273215, 313424, 322240, 329920, 391780, 437144, 546430, 626848, 644480, 659840, 783560, 874288, 1038217, 1092860, 1253696, 1567120, 1748576, 2076434, 2185720, 2507392, 3134240, 3497152, 4152868, 4371440, 5191085, 6268480, 6994304, 8305736, 8742880, 10382170, 12536960, 16611472, 17485760, 20764340, 33222944, 34971520, 41528680, 66445888, 83057360, 132891776, 166114720, 332229440, 664458880]

約数ペア:

[(1, 664458880), (2, 332229440), (4, 166114720), (5, 132891776), (8, 83057360), (10, 66445888), (16, 41528680), (19, 34971520), (20, 33222944), (32, 20764340), (38, 17485760), (40, 16611472), (53, 12536960), (64, 10382170), (76, 8742880), (80, 8305736), (95, 6994304), (106, 6268480), (128, 5191085), (152, 4371440), (160, 4152868), (190, 3497152), (212, 3134240), (265, 2507392), (304, 2185720), (320, 2076434), (380, 1748576), (424, 1567120), (530, 1253696), (608, 1092860), (640, 1038217), (760, 874288), (848, 783560), (1007, 659840), (1031, 644480), (1060, 626848), (1216, 546430), (1520, 437144), (1696, 391780), (2014, 329920), (2062, 322240), (2120, 313424), (2432, 273215), (3040, 218572), (3392, 195890), (4028, 164960), (4124, 161120), (4240, 156712), (5035, 131968), (5155, 128896), (6080, 109286), (6784, 97945), (8056, 82480), (8248, 80560), (8480, 78356), (10070, 65984), (10310, 64448), (12160, 54643), (16112, 41240), (16496, 40280), (16960, 39178), (19589, 33920), (20140, 32992), (20620, 32224)]