280642920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1599

約数の個数: 128

約数和(自身を含む): 897523200

約数和(自身を除く): 616880280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 152, 166, 190, 228, 249, 285, 332, 380, 415, 456, 498, 570, 664, 760, 830, 996, 1140, 1245, 1483, 1577, 1660, 1992, 2280, 2490, 2966, 3154, 3320, 4449, 4731, 4980, 5932, 6308, 7415, 7885, 8898, 9462, 9960, 11864, 12616, 14830, 15770, 17796, 18924, 22245, 23655, 28177, 29660, 31540, 35592, 37848, 44490, 47310, 56354, 59320, 63080, 84531, 88980, 94620, 112708, 123089, 140885, 169062, 177960, 189240, 225416, 246178, 281770, 338124, 369267, 422655, 492356, 563540, 615445, 676248, 738534, 845310, 984712, 1127080, 1230890, 1477068, 1690620, 1846335, 2338691, 2461780, 2954136, 3381240, 3692670, 4677382, 4923560, 7016073, 7385340, 9354764, 11693455, 14032146, 14770680, 18709528, 23386910, 28064292, 35080365, 46773820, 56128584, 70160730, 93547640, 140321460, 280642920]

約数ペア:

[(1, 280642920), (2, 140321460), (3, 93547640), (4, 70160730), (5, 56128584), (6, 46773820), (8, 35080365), (10, 28064292), (12, 23386910), (15, 18709528), (19, 14770680), (20, 14032146), (24, 11693455), (30, 9354764), (38, 7385340), (40, 7016073), (57, 4923560), (60, 4677382), (76, 3692670), (83, 3381240), (95, 2954136), (114, 2461780), (120, 2338691), (152, 1846335), (166, 1690620), (190, 1477068), (228, 1230890), (249, 1127080), (285, 984712), (332, 845310), (380, 738534), (415, 676248), (456, 615445), (498, 563540), (570, 492356), (664, 422655), (760, 369267), (830, 338124), (996, 281770), (1140, 246178), (1245, 225416), (1483, 189240), (1577, 177960), (1660, 169062), (1992, 140885), (2280, 123089), (2490, 112708), (2966, 94620), (3154, 88980), (3320, 84531), (4449, 63080), (4731, 59320), (4980, 56354), (5932, 47310), (6308, 44490), (7415, 37848), (7885, 35592), (8898, 31540), (9462, 29660), (9960, 28177), (11864, 23655), (12616, 22245), (14830, 18924), (15770, 17796)]