65819640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 139466760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 79, 106, 120, 131, 158, 159, 212, 237, 262, 265, 316, 318, 393, 395, 424, 474, 524, 530, 632, 636, 655, 786, 790, 795, 948, 1048, 1060, 1185, 1272, 1310, 1572, 1580, 1590, 1896, 1965, 2120, 2370, 2620, 3144, 3160, 3180, 3930, 4187, 4740, 5240, 6360, 6943, 7860, 8374, 9480, 10349, 12561, 13886, 15720, 16748, 20698, 20829, 20935, 25122, 27772, 31047, 33496, 34715, 41396, 41658, 41870, 50244, 51745, 55544, 62094, 62805, 69430, 82792, 83316, 83740, 100488, 103490, 104145, 124188, 125610, 138860, 155235, 166632, 167480, 206980, 208290, 248376, 251220, 277720, 310470, 413960, 416580, 502440, 548497, 620940, 833160, 1096994, 1241880, 1645491, 2193988, 2742485, 3290982, 4387976, 5484970, 6581964, 8227455, 10969940, 13163928, 16454910, 21939880, 32909820, 65819640]

約数ペア:

[(1, 65819640), (2, 32909820), (3, 21939880), (4, 16454910), (5, 13163928), (6, 10969940), (8, 8227455), (10, 6581964), (12, 5484970), (15, 4387976), (20, 3290982), (24, 2742485), (30, 2193988), (40, 1645491), (53, 1241880), (60, 1096994), (79, 833160), (106, 620940), (120, 548497), (131, 502440), (158, 416580), (159, 413960), (212, 310470), (237, 277720), (262, 251220), (265, 248376), (316, 208290), (318, 206980), (393, 167480), (395, 166632), (424, 155235), (474, 138860), (524, 125610), (530, 124188), (632, 104145), (636, 103490), (655, 100488), (786, 83740), (790, 83316), (795, 82792), (948, 69430), (1048, 62805), (1060, 62094), (1185, 55544), (1272, 51745), (1310, 50244), (1572, 41870), (1580, 41658), (1590, 41396), (1896, 34715), (1965, 33496), (2120, 31047), (2370, 27772), (2620, 25122), (3144, 20935), (3160, 20829), (3180, 20698), (3930, 16748), (4187, 15720), (4740, 13886), (5240, 12561), (6360, 10349), (6943, 9480), (7860, 8374)]