81475680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1229

約数の個数: 192

約数和(自身を含む): 301771008

約数和(自身を除く): 220295328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1056, 1144, 1187, 1248, 1320, 1430, 1560, 1716, 1760, 2080, 2145, 2288, 2374, 2640, 2860, 3120, 3432, 3561, 4290, 4576, 4748, 5280, 5720, 5935, 6240, 6864, 7122, 8580, 9496, 11440, 11870, 13057, 13728, 14244, 15431, 17160, 17805, 18992, 22880, 23740, 26114, 28488, 30862, 34320, 35610, 37984, 39171, 46293, 47480, 52228, 56976, 61724, 65285, 68640, 71220, 77155, 78342, 92586, 94960, 104456, 113952, 123448, 130570, 142440, 154310, 156684, 169741, 185172, 189920, 195855, 208912, 231465, 246896, 261140, 284880, 308620, 313368, 339482, 370344, 391710, 417824, 462930, 493792, 509223, 522280, 569760, 617240, 626736, 678964, 740688, 783420, 848705, 925860, 1018446, 1044560, 1234480, 1253472, 1357928, 1481376, 1566840, 1697410, 1851720, 2036892, 2089120, 2468960, 2546115, 2715856, 3133680, 3394820, 3703440, 4073784, 5092230, 5431712, 6267360, 6789640, 7406880, 8147568, 10184460, 13579280, 16295136, 20368920, 27158560, 40737840, 81475680]

約数ペア:

[(1, 81475680), (2, 40737840), (3, 27158560), (4, 20368920), (5, 16295136), (6, 13579280), (8, 10184460), (10, 8147568), (11, 7406880), (12, 6789640), (13, 6267360), (15, 5431712), (16, 5092230), (20, 4073784), (22, 3703440), (24, 3394820), (26, 3133680), (30, 2715856), (32, 2546115), (33, 2468960), (39, 2089120), (40, 2036892), (44, 1851720), (48, 1697410), (52, 1566840), (55, 1481376), (60, 1357928), (65, 1253472), (66, 1234480), (78, 1044560), (80, 1018446), (88, 925860), (96, 848705), (104, 783420), (110, 740688), (120, 678964), (130, 626736), (132, 617240), (143, 569760), (156, 522280), (160, 509223), (165, 493792), (176, 462930), (195, 417824), (208, 391710), (220, 370344), (240, 339482), (260, 313368), (264, 308620), (286, 284880), (312, 261140), (330, 246896), (352, 231465), (390, 208912), (416, 195855), (429, 189920), (440, 185172), (480, 169741), (520, 156684), (528, 154310), (572, 142440), (624, 130570), (660, 123448), (715, 113952), (780, 104456), (858, 94960), (880, 92586), (1040, 78342), (1056, 77155), (1144, 71220), (1187, 68640), (1248, 65285), (1320, 61724), (1430, 56976), (1560, 52228), (1716, 47480), (1760, 46293), (2080, 39171), (2145, 37984), (2288, 35610), (2374, 34320), (2640, 30862), (2860, 28488), (3120, 26114), (3432, 23740), (3561, 22880), (4290, 18992), (4576, 17805), (4748, 17160), (5280, 15431), (5720, 14244), (5935, 13728), (6240, 13057), (6864, 11870), (7122, 11440), (8580, 9496)]