748480040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 2108160000

約数和(自身を除く): 1359679960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 487, 499, 616, 770, 974, 998, 1540, 1948, 1996, 2435, 2495, 3080, 3409, 3493, 3896, 3992, 4870, 4990, 5357, 5489, 6818, 6986, 9740, 9980, 10714, 10978, 13636, 13972, 17045, 17465, 19480, 19960, 21428, 21956, 26785, 27272, 27445, 27944, 34090, 34930, 37499, 38423, 42856, 43912, 53570, 54890, 68180, 69860, 74998, 76846, 107140, 109780, 136360, 139720, 149996, 153692, 187495, 192115, 214280, 219560, 243013, 299992, 307384, 374990, 384230, 486026, 749980, 768460, 972052, 1215065, 1499960, 1536920, 1701091, 1944104, 2430130, 2673143, 3402182, 4860260, 5346286, 6804364, 8505455, 9720520, 10692572, 13365715, 13608728, 17010910, 18712001, 21385144, 26731430, 34021820, 37424002, 53462860, 68043640, 74848004, 93560005, 106925720, 149696008, 187120010, 374240020, 748480040]

約数ペア:

[(1, 748480040), (2, 374240020), (4, 187120010), (5, 149696008), (7, 106925720), (8, 93560005), (10, 74848004), (11, 68043640), (14, 53462860), (20, 37424002), (22, 34021820), (28, 26731430), (35, 21385144), (40, 18712001), (44, 17010910), (55, 13608728), (56, 13365715), (70, 10692572), (77, 9720520), (88, 8505455), (110, 6804364), (140, 5346286), (154, 4860260), (220, 3402182), (280, 2673143), (308, 2430130), (385, 1944104), (440, 1701091), (487, 1536920), (499, 1499960), (616, 1215065), (770, 972052), (974, 768460), (998, 749980), (1540, 486026), (1948, 384230), (1996, 374990), (2435, 307384), (2495, 299992), (3080, 243013), (3409, 219560), (3493, 214280), (3896, 192115), (3992, 187495), (4870, 153692), (4990, 149996), (5357, 139720), (5489, 136360), (6818, 109780), (6986, 107140), (9740, 76846), (9980, 74998), (10714, 69860), (10978, 68180), (13636, 54890), (13972, 53570), (17045, 43912), (17465, 42856), (19480, 38423), (19960, 37499), (21428, 34930), (21956, 34090), (26785, 27944), (27272, 27445)]