256398768

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3023}}^1$

素因数の和:3087

約数の個数: 120

約数和(自身を含む): 779950080

約数和(自身を除く): 523551312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2736, 3023, 3534, 4464, 4712, 5301, 6046, 7068, 9069, 9424, 10602, 12092, 14136, 18138, 21204, 24184, 27207, 28272, 36276, 42408, 48368, 54414, 57437, 72552, 84816, 93713, 108828, 114874, 145104, 172311, 187426, 217656, 229748, 281139, 344622, 374852, 435312, 459496, 516933, 562278, 689244, 749704, 843417, 918992, 1033866, 1124556, 1378488, 1499408, 1686834, 1780547, 2067732, 2249112, 2756976, 3373668, 3561094, 4135464, 4498224, 5341641, 6747336, 7122188, 8270928, 10683282, 13494672, 14244376, 16024923, 21366564, 28488752, 32049846, 42733128, 64099692, 85466256, 128199384, 256398768]

約数ペア:

[(1, 256398768), (2, 128199384), (3, 85466256), (4, 64099692), (6, 42733128), (8, 32049846), (9, 28488752), (12, 21366564), (16, 16024923), (18, 14244376), (19, 13494672), (24, 10683282), (31, 8270928), (36, 7122188), (38, 6747336), (48, 5341641), (57, 4498224), (62, 4135464), (72, 3561094), (76, 3373668), (93, 2756976), (114, 2249112), (124, 2067732), (144, 1780547), (152, 1686834), (171, 1499408), (186, 1378488), (228, 1124556), (248, 1033866), (279, 918992), (304, 843417), (342, 749704), (372, 689244), (456, 562278), (496, 516933), (558, 459496), (589, 435312), (684, 374852), (744, 344622), (912, 281139), (1116, 229748), (1178, 217656), (1368, 187426), (1488, 172311), (1767, 145104), (2232, 114874), (2356, 108828), (2736, 93713), (3023, 84816), (3534, 72552), (4464, 57437), (4712, 54414), (5301, 48368), (6046, 42408), (7068, 36276), (9069, 28272), (9424, 27207), (10602, 24184), (12092, 21204), (14136, 18138)]