904707960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13487}}^1$

素因数の和:13557

約数の個数: 128

約数和(自身を含む): 2991098880

約数和(自身を除く): 2086390920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3354, 4472, 5160, 5590, 6708, 8385, 11180, 13416, 13487, 16770, 22360, 26974, 33540, 40461, 53948, 67080, 67435, 80922, 107896, 134870, 161844, 175331, 202305, 269740, 323688, 350662, 404610, 525993, 539480, 579941, 701324, 809220, 876655, 1051986, 1159882, 1402648, 1618440, 1739823, 1753310, 2103972, 2319764, 2629965, 2899705, 3479646, 3506620, 4207944, 4639528, 5259930, 5799410, 6959292, 7013240, 7539233, 8699115, 10519860, 11598820, 13918584, 15078466, 17398230, 21039720, 22617699, 23197640, 30156932, 34796460, 37696165, 45235398, 60313864, 69592920, 75392330, 90470796, 113088495, 150784660, 180941592, 226176990, 301569320, 452353980, 904707960]

約数ペア:

[(1, 904707960), (2, 452353980), (3, 301569320), (4, 226176990), (5, 180941592), (6, 150784660), (8, 113088495), (10, 90470796), (12, 75392330), (13, 69592920), (15, 60313864), (20, 45235398), (24, 37696165), (26, 34796460), (30, 30156932), (39, 23197640), (40, 22617699), (43, 21039720), (52, 17398230), (60, 15078466), (65, 13918584), (78, 11598820), (86, 10519860), (104, 8699115), (120, 7539233), (129, 7013240), (130, 6959292), (156, 5799410), (172, 5259930), (195, 4639528), (215, 4207944), (258, 3506620), (260, 3479646), (312, 2899705), (344, 2629965), (390, 2319764), (430, 2103972), (516, 1753310), (520, 1739823), (559, 1618440), (645, 1402648), (780, 1159882), (860, 1051986), (1032, 876655), (1118, 809220), (1290, 701324), (1560, 579941), (1677, 539480), (1720, 525993), (2236, 404610), (2580, 350662), (2795, 323688), (3354, 269740), (4472, 202305), (5160, 175331), (5590, 161844), (6708, 134870), (8385, 107896), (11180, 80922), (13416, 67435), (13487, 67080), (16770, 53948), (22360, 40461), (26974, 33540)]