40768980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{283}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 133641312

約数和(自身を除く): 92872332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 283, 294, 343, 420, 490, 566, 588, 686, 735, 849, 980, 1029, 1132, 1372, 1415, 1470, 1698, 1715, 1981, 2058, 2401, 2830, 2940, 3396, 3430, 3962, 4116, 4245, 4802, 5145, 5660, 5943, 6860, 7203, 7924, 8490, 9604, 9905, 10290, 11886, 12005, 13867, 14406, 16980, 19810, 20580, 23772, 24010, 27734, 28812, 29715, 36015, 39620, 41601, 48020, 55468, 59430, 69335, 72030, 83202, 97069, 118860, 138670, 144060, 166404, 194138, 208005, 277340, 291207, 388276, 416010, 485345, 582414, 679483, 832020, 970690, 1164828, 1358966, 1456035, 1941380, 2038449, 2717932, 2912070, 3397415, 4076898, 5824140, 6794830, 8153796, 10192245, 13589660, 20384490, 40768980]

約数ペア:

[(1, 40768980), (2, 20384490), (3, 13589660), (4, 10192245), (5, 8153796), (6, 6794830), (7, 5824140), (10, 4076898), (12, 3397415), (14, 2912070), (15, 2717932), (20, 2038449), (21, 1941380), (28, 1456035), (30, 1358966), (35, 1164828), (42, 970690), (49, 832020), (60, 679483), (70, 582414), (84, 485345), (98, 416010), (105, 388276), (140, 291207), (147, 277340), (196, 208005), (210, 194138), (245, 166404), (283, 144060), (294, 138670), (343, 118860), (420, 97069), (490, 83202), (566, 72030), (588, 69335), (686, 59430), (735, 55468), (849, 48020), (980, 41601), (1029, 39620), (1132, 36015), (1372, 29715), (1415, 28812), (1470, 27734), (1698, 24010), (1715, 23772), (1981, 20580), (2058, 19810), (2401, 16980), (2830, 14406), (2940, 13867), (3396, 12005), (3430, 11886), (3962, 10290), (4116, 9905), (4245, 9604), (4802, 8490), (5145, 7924), (5660, 7203), (5943, 6860)]