481536640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1930

約数の個数: 128

約数和(自身を含む): 1280401920

約数和(自身を除く): 798865280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1867, 1984, 2015, 2080, 2480, 3224, 3734, 3968, 4030, 4160, 4960, 6448, 7468, 8060, 8320, 9335, 9920, 12896, 14936, 16120, 18670, 19840, 24271, 25792, 29872, 32240, 37340, 48542, 51584, 57877, 59744, 64480, 74680, 97084, 115754, 119488, 121355, 128960, 149360, 194168, 231508, 238976, 242710, 257920, 289385, 298720, 388336, 463016, 485420, 578770, 597440, 752401, 776672, 926032, 970840, 1157540, 1194880, 1504802, 1553344, 1852064, 1941680, 2315080, 3009604, 3106688, 3704128, 3762005, 3883360, 4630160, 6019208, 7408256, 7524010, 7766720, 9260320, 12038416, 15048020, 15533440, 18520640, 24076832, 30096040, 37041280, 48153664, 60192080, 96307328, 120384160, 240768320, 481536640]

約数ペア:

[(1, 481536640), (2, 240768320), (4, 120384160), (5, 96307328), (8, 60192080), (10, 48153664), (13, 37041280), (16, 30096040), (20, 24076832), (26, 18520640), (31, 15533440), (32, 15048020), (40, 12038416), (52, 9260320), (62, 7766720), (64, 7524010), (65, 7408256), (80, 6019208), (104, 4630160), (124, 3883360), (128, 3762005), (130, 3704128), (155, 3106688), (160, 3009604), (208, 2315080), (248, 1941680), (260, 1852064), (310, 1553344), (320, 1504802), (403, 1194880), (416, 1157540), (496, 970840), (520, 926032), (620, 776672), (640, 752401), (806, 597440), (832, 578770), (992, 485420), (1040, 463016), (1240, 388336), (1612, 298720), (1664, 289385), (1867, 257920), (1984, 242710), (2015, 238976), (2080, 231508), (2480, 194168), (3224, 149360), (3734, 128960), (3968, 121355), (4030, 119488), (4160, 115754), (4960, 97084), (6448, 74680), (7468, 64480), (8060, 59744), (8320, 57877), (9335, 51584), (9920, 48542), (12896, 37340), (14936, 32240), (16120, 29872), (18670, 25792), (19840, 24271)]