80876820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2209

約数の個数: 96

約数和(自身を含む): 246371328

約数和(自身を除く): 165494508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 85, 102, 111, 148, 170, 185, 204, 222, 255, 340, 370, 444, 510, 555, 629, 740, 1020, 1110, 1258, 1887, 2143, 2220, 2516, 3145, 3774, 4286, 6290, 6429, 7548, 8572, 9435, 10715, 12580, 12858, 18870, 21430, 25716, 32145, 36431, 37740, 42860, 64290, 72862, 79291, 109293, 128580, 145724, 158582, 182155, 218586, 237873, 317164, 364310, 396455, 437172, 475746, 546465, 728620, 792910, 951492, 1092930, 1189365, 1347947, 1585820, 2185860, 2378730, 2695894, 4043841, 4757460, 5391788, 6739735, 8087682, 13479470, 16175364, 20219205, 26958940, 40438410, 80876820]

約数ペア:

[(1, 80876820), (2, 40438410), (3, 26958940), (4, 20219205), (5, 16175364), (6, 13479470), (10, 8087682), (12, 6739735), (15, 5391788), (17, 4757460), (20, 4043841), (30, 2695894), (34, 2378730), (37, 2185860), (51, 1585820), (60, 1347947), (68, 1189365), (74, 1092930), (85, 951492), (102, 792910), (111, 728620), (148, 546465), (170, 475746), (185, 437172), (204, 396455), (222, 364310), (255, 317164), (340, 237873), (370, 218586), (444, 182155), (510, 158582), (555, 145724), (629, 128580), (740, 109293), (1020, 79291), (1110, 72862), (1258, 64290), (1887, 42860), (2143, 37740), (2220, 36431), (2516, 32145), (3145, 25716), (3774, 21430), (4286, 18870), (6290, 12858), (6429, 12580), (7548, 10715), (8572, 9435)]