15721429750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:1043

約数の個数: 128

約数和(自身を含む): 32632419456

約数和(自身を除く): 16910989706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 107, 125, 130, 214, 250, 265, 325, 530, 535, 650, 689, 853, 1070, 1325, 1378, 1391, 1625, 1706, 2650, 2675, 2782, 3250, 3445, 4265, 5350, 5671, 6625, 6890, 6955, 8530, 11089, 11342, 13250, 13375, 13910, 17225, 21325, 22178, 26750, 28355, 34450, 34775, 42650, 45209, 55445, 56710, 69550, 73723, 86125, 90418, 91271, 106625, 110890, 141775, 147446, 172250, 173875, 182542, 213250, 226045, 277225, 283550, 347750, 368615, 452090, 456355, 554450, 587717, 708875, 737230, 912710, 1130225, 1175434, 1186523, 1386125, 1417750, 1843075, 2260450, 2281775, 2373046, 2772250, 2938585, 3686150, 4563550, 4837363, 5651125, 5877170, 5932615, 9215375, 9674726, 11302250, 11408875, 11865230, 14692925, 18430750, 22817750, 24186815, 29385850, 29663075, 48373630, 59326150, 62885719, 73464625, 120934075, 125771438, 146929250, 148315375, 241868150, 296630750, 314428595, 604670375, 628857190, 1209340750, 1572142975, 3144285950, 7860714875, 15721429750]

約数ペア:

[(1, 15721429750), (2, 7860714875), (5, 3144285950), (10, 1572142975), (13, 1209340750), (25, 628857190), (26, 604670375), (50, 314428595), (53, 296630750), (65, 241868150), (106, 148315375), (107, 146929250), (125, 125771438), (130, 120934075), (214, 73464625), (250, 62885719), (265, 59326150), (325, 48373630), (530, 29663075), (535, 29385850), (650, 24186815), (689, 22817750), (853, 18430750), (1070, 14692925), (1325, 11865230), (1378, 11408875), (1391, 11302250), (1625, 9674726), (1706, 9215375), (2650, 5932615), (2675, 5877170), (2782, 5651125), (3250, 4837363), (3445, 4563550), (4265, 3686150), (5350, 2938585), (5671, 2772250), (6625, 2373046), (6890, 2281775), (6955, 2260450), (8530, 1843075), (11089, 1417750), (11342, 1386125), (13250, 1186523), (13375, 1175434), (13910, 1130225), (17225, 912710), (21325, 737230), (22178, 708875), (26750, 587717), (28355, 554450), (34450, 456355), (34775, 452090), (42650, 368615), (45209, 347750), (55445, 283550), (56710, 277225), (69550, 226045), (73723, 213250), (86125, 182542), (90418, 173875), (91271, 172250), (106625, 147446), (110890, 141775)]