639162030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1906

約数の個数: 128

約数和(自身を含む): 1765048320

約数和(自身を除く): 1125886290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 31, 39, 58, 62, 65, 78, 87, 93, 130, 145, 155, 174, 186, 195, 290, 310, 377, 390, 403, 435, 465, 754, 806, 870, 899, 930, 1131, 1209, 1798, 1823, 1885, 2015, 2262, 2418, 2697, 3646, 3770, 4030, 4495, 5394, 5469, 5655, 6045, 8990, 9115, 10938, 11310, 11687, 12090, 13485, 18230, 23374, 23699, 26970, 27345, 35061, 47398, 52867, 54690, 56513, 58435, 70122, 71097, 105734, 113026, 116870, 118495, 142194, 158601, 169539, 175305, 236990, 264335, 282565, 317202, 339078, 350610, 355485, 528670, 565130, 687271, 710970, 734669, 793005, 847695, 1374542, 1469338, 1586010, 1638877, 1695390, 2061813, 2204007, 3277754, 3436355, 3673345, 4123626, 4408014, 4916631, 6872710, 7346690, 8194385, 9833262, 10309065, 11020035, 16388770, 20618130, 21305401, 22040070, 24583155, 42610802, 49166310, 63916203, 106527005, 127832406, 213054010, 319581015, 639162030]

約数ペア:

[(1, 639162030), (2, 319581015), (3, 213054010), (5, 127832406), (6, 106527005), (10, 63916203), (13, 49166310), (15, 42610802), (26, 24583155), (29, 22040070), (30, 21305401), (31, 20618130), (39, 16388770), (58, 11020035), (62, 10309065), (65, 9833262), (78, 8194385), (87, 7346690), (93, 6872710), (130, 4916631), (145, 4408014), (155, 4123626), (174, 3673345), (186, 3436355), (195, 3277754), (290, 2204007), (310, 2061813), (377, 1695390), (390, 1638877), (403, 1586010), (435, 1469338), (465, 1374542), (754, 847695), (806, 793005), (870, 734669), (899, 710970), (930, 687271), (1131, 565130), (1209, 528670), (1798, 355485), (1823, 350610), (1885, 339078), (2015, 317202), (2262, 282565), (2418, 264335), (2697, 236990), (3646, 175305), (3770, 169539), (4030, 158601), (4495, 142194), (5394, 118495), (5469, 116870), (5655, 113026), (6045, 105734), (8990, 71097), (9115, 70122), (10938, 58435), (11310, 56513), (11687, 54690), (12090, 52867), (13485, 47398), (18230, 35061), (23374, 27345), (23699, 26970)]