1908727120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{3251}}^1$

素因数の和:3484

約数の個数: 80

約数和(自身を含む): 4572832320

約数和(自身を除く): 2664105200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 179, 205, 328, 358, 410, 656, 716, 820, 895, 1432, 1640, 1790, 2864, 3251, 3280, 3580, 6502, 7160, 7339, 13004, 14320, 14678, 16255, 26008, 29356, 32510, 36695, 52016, 58712, 65020, 73390, 117424, 130040, 133291, 146780, 260080, 266582, 293560, 533164, 581929, 587120, 666455, 1066328, 1163858, 1332910, 2132656, 2327716, 2665820, 2909645, 4655432, 5331640, 5819290, 9310864, 10663280, 11638580, 23277160, 23859089, 46554320, 47718178, 95436356, 119295445, 190872712, 238590890, 381745424, 477181780, 954363560, 1908727120]

約数ペア:

[(1, 1908727120), (2, 954363560), (4, 477181780), (5, 381745424), (8, 238590890), (10, 190872712), (16, 119295445), (20, 95436356), (40, 47718178), (41, 46554320), (80, 23859089), (82, 23277160), (164, 11638580), (179, 10663280), (205, 9310864), (328, 5819290), (358, 5331640), (410, 4655432), (656, 2909645), (716, 2665820), (820, 2327716), (895, 2132656), (1432, 1332910), (1640, 1163858), (1790, 1066328), (2864, 666455), (3251, 587120), (3280, 581929), (3580, 533164), (6502, 293560), (7160, 266582), (7339, 260080), (13004, 146780), (14320, 133291), (14678, 130040), (16255, 117424), (26008, 73390), (29356, 65020), (32510, 58712), (36695, 52016)]