238996680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6661}}^1$

素因数の和:6711

約数の個数: 128

約数和(自身を含む): 805835520

約数和(自身を除く): 566838840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 6661, 7176, 8970, 11960, 13322, 17940, 19983, 26644, 33305, 35880, 39966, 53288, 66610, 79932, 86593, 99915, 133220, 153203, 159864, 173186, 199830, 259779, 266440, 306406, 346372, 399660, 432965, 459609, 519558, 612812, 692744, 766015, 799320, 865930, 919218, 1039116, 1225624, 1298895, 1532030, 1731860, 1838436, 1991639, 2078232, 2298045, 2597790, 3064060, 3463720, 3676872, 3983278, 4596090, 5195580, 5974917, 6128120, 7966556, 9192180, 9958195, 10391160, 11949834, 15933112, 18384360, 19916390, 23899668, 29874585, 39832780, 47799336, 59749170, 79665560, 119498340, 238996680]

約数ペア:

[(1, 238996680), (2, 119498340), (3, 79665560), (4, 59749170), (5, 47799336), (6, 39832780), (8, 29874585), (10, 23899668), (12, 19916390), (13, 18384360), (15, 15933112), (20, 11949834), (23, 10391160), (24, 9958195), (26, 9192180), (30, 7966556), (39, 6128120), (40, 5974917), (46, 5195580), (52, 4596090), (60, 3983278), (65, 3676872), (69, 3463720), (78, 3064060), (92, 2597790), (104, 2298045), (115, 2078232), (120, 1991639), (130, 1838436), (138, 1731860), (156, 1532030), (184, 1298895), (195, 1225624), (230, 1039116), (260, 919218), (276, 865930), (299, 799320), (312, 766015), (345, 692744), (390, 612812), (460, 519558), (520, 459609), (552, 432965), (598, 399660), (690, 346372), (780, 306406), (897, 266440), (920, 259779), (1196, 199830), (1380, 173186), (1495, 159864), (1560, 153203), (1794, 133220), (2392, 99915), (2760, 86593), (2990, 79932), (3588, 66610), (4485, 53288), (5980, 39966), (6661, 35880), (7176, 33305), (8970, 26644), (11960, 19983), (13322, 17940)]