816654080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1934

約数の個数: 144

約数和(自身を含む): 2203987968

約数和(自身を除く): 1387333888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1871, 1984, 2480, 2728, 2816, 3410, 3520, 3742, 3968, 4960, 5456, 6820, 7040, 7484, 7936, 9355, 9920, 10912, 13640, 14080, 14968, 18710, 19840, 20581, 21824, 27280, 29936, 37420, 39680, 41162, 43648, 54560, 58001, 59872, 74840, 82324, 87296, 102905, 109120, 116002, 119744, 149680, 164648, 205810, 218240, 232004, 239488, 290005, 299360, 329296, 411620, 436480, 464008, 478976, 580010, 598720, 638011, 658592, 823240, 928016, 1160020, 1197440, 1276022, 1317184, 1646480, 1856032, 2320040, 2394880, 2552044, 2634368, 3190055, 3292960, 3712064, 4640080, 5104088, 5268736, 6380110, 6585920, 7424128, 9280160, 10208176, 12760220, 13171840, 14848256, 18560320, 20416352, 25520440, 26343680, 37120640, 40832704, 51040880, 74241280, 81665408, 102081760, 163330816, 204163520, 408327040, 816654080]

約数ペア:

[(1, 816654080), (2, 408327040), (4, 204163520), (5, 163330816), (8, 102081760), (10, 81665408), (11, 74241280), (16, 51040880), (20, 40832704), (22, 37120640), (31, 26343680), (32, 25520440), (40, 20416352), (44, 18560320), (55, 14848256), (62, 13171840), (64, 12760220), (80, 10208176), (88, 9280160), (110, 7424128), (124, 6585920), (128, 6380110), (155, 5268736), (160, 5104088), (176, 4640080), (220, 3712064), (248, 3292960), (256, 3190055), (310, 2634368), (320, 2552044), (341, 2394880), (352, 2320040), (440, 1856032), (496, 1646480), (620, 1317184), (640, 1276022), (682, 1197440), (704, 1160020), (880, 928016), (992, 823240), (1240, 658592), (1280, 638011), (1364, 598720), (1408, 580010), (1705, 478976), (1760, 464008), (1871, 436480), (1984, 411620), (2480, 329296), (2728, 299360), (2816, 290005), (3410, 239488), (3520, 232004), (3742, 218240), (3968, 205810), (4960, 164648), (5456, 149680), (6820, 119744), (7040, 116002), (7484, 109120), (7936, 102905), (9355, 87296), (9920, 82324), (10912, 74840), (13640, 59872), (14080, 58001), (14968, 54560), (18710, 43648), (19840, 41162), (20581, 39680), (21824, 37420), (27280, 29936)]