15913509080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{6427}}^1$

素因数の和:6721

約数の個数: 128

約数和(自身を含む): 42208819200

約数和(自身を除く): 26295310120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 239, 259, 280, 296, 370, 478, 518, 740, 956, 1036, 1195, 1295, 1480, 1673, 1912, 2072, 2390, 2590, 3346, 4780, 5180, 6427, 6692, 8365, 8843, 9560, 10360, 12854, 13384, 16730, 17686, 25708, 32135, 33460, 35372, 44215, 44989, 51416, 61901, 64270, 66920, 70744, 88430, 89978, 123802, 128540, 176860, 179956, 224945, 237799, 247604, 257080, 309505, 353720, 359912, 449890, 475598, 495208, 619010, 899780, 951196, 1188995, 1238020, 1536053, 1664593, 1799560, 1902392, 2377990, 2476040, 3072106, 3329186, 4755980, 6144212, 6658372, 7680265, 8322965, 9511960, 10752371, 12288424, 13316744, 15360530, 16645930, 21504742, 30721060, 33291860, 43009484, 53761855, 56833961, 61442120, 66583720, 86018968, 107523710, 113667922, 215047420, 227335844, 284169805, 397837727, 430094840, 454671688, 568339610, 795675454, 1136679220, 1591350908, 1989188635, 2273358440, 3182701816, 3978377270, 7956754540, 15913509080]

約数ペア:

[(1, 15913509080), (2, 7956754540), (4, 3978377270), (5, 3182701816), (7, 2273358440), (8, 1989188635), (10, 1591350908), (14, 1136679220), (20, 795675454), (28, 568339610), (35, 454671688), (37, 430094840), (40, 397837727), (56, 284169805), (70, 227335844), (74, 215047420), (140, 113667922), (148, 107523710), (185, 86018968), (239, 66583720), (259, 61442120), (280, 56833961), (296, 53761855), (370, 43009484), (478, 33291860), (518, 30721060), (740, 21504742), (956, 16645930), (1036, 15360530), (1195, 13316744), (1295, 12288424), (1480, 10752371), (1673, 9511960), (1912, 8322965), (2072, 7680265), (2390, 6658372), (2590, 6144212), (3346, 4755980), (4780, 3329186), (5180, 3072106), (6427, 2476040), (6692, 2377990), (8365, 1902392), (8843, 1799560), (9560, 1664593), (10360, 1536053), (12854, 1238020), (13384, 1188995), (16730, 951196), (17686, 899780), (25708, 619010), (32135, 495208), (33460, 475598), (35372, 449890), (44215, 359912), (44989, 353720), (51416, 309505), (61901, 257080), (64270, 247604), (66920, 237799), (70744, 224945), (88430, 179956), (89978, 176860), (123802, 128540)]