641743440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2997

約数の個数: 160

約数和(自身を含む): 2173360896

約数和(自身を除く): 1531617456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 71, 78, 80, 104, 120, 130, 142, 156, 195, 208, 213, 240, 260, 284, 312, 355, 390, 426, 520, 568, 624, 710, 780, 852, 923, 1040, 1065, 1136, 1420, 1560, 1704, 1846, 2130, 2769, 2840, 2897, 3120, 3408, 3692, 4260, 4615, 5538, 5680, 5794, 7384, 8520, 8691, 9230, 11076, 11588, 13845, 14485, 14768, 17040, 17382, 18460, 22152, 23176, 27690, 28970, 34764, 36920, 37661, 43455, 44304, 46352, 55380, 57940, 69528, 73840, 75322, 86910, 110760, 112983, 115880, 139056, 150644, 173820, 188305, 205687, 221520, 225966, 231760, 301288, 347640, 376610, 411374, 451932, 564915, 602576, 617061, 695280, 753220, 822748, 903864, 1028435, 1129830, 1234122, 1506440, 1645496, 1807728, 2056870, 2259660, 2468244, 2673931, 3012880, 3085305, 3290992, 4113740, 4519320, 4936488, 5347862, 6170610, 8021793, 8227480, 9038640, 9872976, 10695724, 12341220, 13369655, 16043586, 16454960, 21391448, 24682440, 26739310, 32087172, 40108965, 42782896, 49364880, 53478620, 64174344, 80217930, 106957240, 128348688, 160435860, 213914480, 320871720, 641743440]

約数ペア:

[(1, 641743440), (2, 320871720), (3, 213914480), (4, 160435860), (5, 128348688), (6, 106957240), (8, 80217930), (10, 64174344), (12, 53478620), (13, 49364880), (15, 42782896), (16, 40108965), (20, 32087172), (24, 26739310), (26, 24682440), (30, 21391448), (39, 16454960), (40, 16043586), (48, 13369655), (52, 12341220), (60, 10695724), (65, 9872976), (71, 9038640), (78, 8227480), (80, 8021793), (104, 6170610), (120, 5347862), (130, 4936488), (142, 4519320), (156, 4113740), (195, 3290992), (208, 3085305), (213, 3012880), (240, 2673931), (260, 2468244), (284, 2259660), (312, 2056870), (355, 1807728), (390, 1645496), (426, 1506440), (520, 1234122), (568, 1129830), (624, 1028435), (710, 903864), (780, 822748), (852, 753220), (923, 695280), (1040, 617061), (1065, 602576), (1136, 564915), (1420, 451932), (1560, 411374), (1704, 376610), (1846, 347640), (2130, 301288), (2769, 231760), (2840, 225966), (2897, 221520), (3120, 205687), (3408, 188305), (3692, 173820), (4260, 150644), (4615, 139056), (5538, 115880), (5680, 112983), (5794, 110760), (7384, 86910), (8520, 75322), (8691, 73840), (9230, 69528), (11076, 57940), (11588, 55380), (13845, 46352), (14485, 44304), (14768, 43455), (17040, 37661), (17382, 36920), (18460, 34764), (22152, 28970), (23176, 27690)]