721246992

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 2053201920

約数和(自身を除く): 1331954928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 97, 114, 124, 152, 186, 194, 228, 248, 263, 291, 304, 372, 388, 456, 496, 526, 582, 589, 744, 776, 789, 912, 1052, 1164, 1178, 1488, 1552, 1578, 1767, 1843, 2104, 2328, 2356, 3007, 3156, 3534, 3686, 4208, 4656, 4712, 4997, 5529, 6014, 6312, 7068, 7372, 8153, 9021, 9424, 9994, 11058, 12028, 12624, 14136, 14744, 14991, 16306, 18042, 19988, 22116, 24056, 24459, 25511, 28272, 29488, 29982, 32612, 36084, 39976, 44232, 48112, 48918, 51022, 57133, 59964, 65224, 72168, 76533, 79952, 88464, 97836, 102044, 114266, 119928, 130448, 144336, 153066, 154907, 171399, 195672, 204088, 228532, 239856, 306132, 309814, 342798, 391344, 408176, 457064, 464721, 484709, 612264, 619628, 685596, 790841, 914128, 929442, 969418, 1224528, 1239256, 1371192, 1454127, 1581682, 1858884, 1938836, 2372523, 2478512, 2742384, 2908254, 3163364, 3717768, 3877672, 4745046, 5816508, 6326728, 7435536, 7755344, 9490092, 11633016, 12653456, 15025979, 18980184, 23266032, 30051958, 37960368, 45077937, 60103916, 90155874, 120207832, 180311748, 240415664, 360623496, 721246992]

約数ペア:

[(1, 721246992), (2, 360623496), (3, 240415664), (4, 180311748), (6, 120207832), (8, 90155874), (12, 60103916), (16, 45077937), (19, 37960368), (24, 30051958), (31, 23266032), (38, 18980184), (48, 15025979), (57, 12653456), (62, 11633016), (76, 9490092), (93, 7755344), (97, 7435536), (114, 6326728), (124, 5816508), (152, 4745046), (186, 3877672), (194, 3717768), (228, 3163364), (248, 2908254), (263, 2742384), (291, 2478512), (304, 2372523), (372, 1938836), (388, 1858884), (456, 1581682), (496, 1454127), (526, 1371192), (582, 1239256), (589, 1224528), (744, 969418), (776, 929442), (789, 914128), (912, 790841), (1052, 685596), (1164, 619628), (1178, 612264), (1488, 484709), (1552, 464721), (1578, 457064), (1767, 408176), (1843, 391344), (2104, 342798), (2328, 309814), (2356, 306132), (3007, 239856), (3156, 228532), (3534, 204088), (3686, 195672), (4208, 171399), (4656, 154907), (4712, 153066), (4997, 144336), (5529, 130448), (6014, 119928), (6312, 114266), (7068, 102044), (7372, 97836), (8153, 88464), (9021, 79952), (9424, 76533), (9994, 72168), (11058, 65224), (12028, 59964), (12624, 57133), (14136, 51022), (14744, 48918), (14991, 48112), (16306, 44232), (18042, 39976), (19988, 36084), (22116, 32612), (24056, 29982), (24459, 29488), (25511, 28272)]