71280400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 184050720

約数和(自身を除く): 112770320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 83, 95, 100, 113, 152, 166, 190, 200, 226, 304, 332, 380, 400, 415, 452, 475, 565, 664, 760, 830, 904, 950, 1130, 1328, 1520, 1577, 1660, 1808, 1900, 2075, 2147, 2260, 2825, 3154, 3320, 3800, 4150, 4294, 4520, 5650, 6308, 6640, 7600, 7885, 8300, 8588, 9040, 9379, 10735, 11300, 12616, 15770, 16600, 17176, 18758, 21470, 22600, 25232, 31540, 33200, 34352, 37516, 39425, 42940, 45200, 46895, 53675, 63080, 75032, 78850, 85880, 93790, 107350, 126160, 150064, 157700, 171760, 178201, 187580, 214700, 234475, 315400, 356402, 375160, 429400, 468950, 630800, 712804, 750320, 858800, 891005, 937900, 1425608, 1782010, 1875800, 2851216, 3564020, 3751600, 4455025, 7128040, 8910050, 14256080, 17820100, 35640200, 71280400]

約数ペア:

[(1, 71280400), (2, 35640200), (4, 17820100), (5, 14256080), (8, 8910050), (10, 7128040), (16, 4455025), (19, 3751600), (20, 3564020), (25, 2851216), (38, 1875800), (40, 1782010), (50, 1425608), (76, 937900), (80, 891005), (83, 858800), (95, 750320), (100, 712804), (113, 630800), (152, 468950), (166, 429400), (190, 375160), (200, 356402), (226, 315400), (304, 234475), (332, 214700), (380, 187580), (400, 178201), (415, 171760), (452, 157700), (475, 150064), (565, 126160), (664, 107350), (760, 93790), (830, 85880), (904, 78850), (950, 75032), (1130, 63080), (1328, 53675), (1520, 46895), (1577, 45200), (1660, 42940), (1808, 39425), (1900, 37516), (2075, 34352), (2147, 33200), (2260, 31540), (2825, 25232), (3154, 22600), (3320, 21470), (3800, 18758), (4150, 17176), (4294, 16600), (4520, 15770), (5650, 12616), (6308, 11300), (6640, 10735), (7600, 9379), (7885, 9040), (8300, 8588)]