1499999280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20903}}^1$

素因数の和:20955

約数の個数: 160

約数和(自身を含む): 5225665536

約数和(自身を除く): 3725666256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3588, 4485, 4784, 5520, 5980, 7176, 8970, 11960, 14352, 17940, 20903, 23920, 35880, 41806, 62709, 71760, 83612, 104515, 125418, 167224, 209030, 250836, 271739, 313545, 334448, 418060, 480769, 501672, 543478, 627090, 815217, 836120, 961538, 1003344, 1086956, 1254180, 1358695, 1442307, 1630434, 1672240, 1923076, 2173912, 2403845, 2508360, 2717390, 2884614, 3260868, 3846152, 4076085, 4347824, 4807690, 5016720, 5434780, 5769228, 6249997, 6521736, 7211535, 7692304, 8152170, 9615380, 10869560, 11538456, 12499994, 13043472, 14423070, 16304340, 18749991, 19230760, 21739120, 23076912, 24999988, 28846140, 31249985, 32608680, 37499982, 38461520, 49999976, 57692280, 62499970, 65217360, 74999964, 93749955, 99999952, 115384560, 124999940, 149999928, 187499910, 249999880, 299999856, 374999820, 499999760, 749999640, 1499999280]

約数ペア:

[(1, 1499999280), (2, 749999640), (3, 499999760), (4, 374999820), (5, 299999856), (6, 249999880), (8, 187499910), (10, 149999928), (12, 124999940), (13, 115384560), (15, 99999952), (16, 93749955), (20, 74999964), (23, 65217360), (24, 62499970), (26, 57692280), (30, 49999976), (39, 38461520), (40, 37499982), (46, 32608680), (48, 31249985), (52, 28846140), (60, 24999988), (65, 23076912), (69, 21739120), (78, 19230760), (80, 18749991), (92, 16304340), (104, 14423070), (115, 13043472), (120, 12499994), (130, 11538456), (138, 10869560), (156, 9615380), (184, 8152170), (195, 7692304), (208, 7211535), (230, 6521736), (240, 6249997), (260, 5769228), (276, 5434780), (299, 5016720), (312, 4807690), (345, 4347824), (368, 4076085), (390, 3846152), (460, 3260868), (520, 2884614), (552, 2717390), (598, 2508360), (624, 2403845), (690, 2173912), (780, 1923076), (897, 1672240), (920, 1630434), (1040, 1442307), (1104, 1358695), (1196, 1254180), (1380, 1086956), (1495, 1003344), (1560, 961538), (1794, 836120), (1840, 815217), (2392, 627090), (2760, 543478), (2990, 501672), (3120, 480769), (3588, 418060), (4485, 334448), (4784, 313545), (5520, 271739), (5980, 250836), (7176, 209030), (8970, 167224), (11960, 125418), (14352, 104515), (17940, 83612), (20903, 71760), (23920, 62709), (35880, 41806)]