79185780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 259144704

約数和(自身を除く): 179958924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 617, 620, 690, 713, 828, 930, 1035, 1116, 1234, 1380, 1395, 1426, 1851, 1860, 2070, 2139, 2468, 2790, 2852, 3085, 3565, 3702, 4140, 4278, 5553, 5580, 6170, 6417, 7130, 7404, 8556, 9255, 10695, 11106, 12340, 12834, 14191, 14260, 18510, 19127, 21390, 22212, 25668, 27765, 28382, 32085, 37020, 38254, 42573, 42780, 55530, 56764, 57381, 64170, 70955, 76508, 85146, 95635, 111060, 114762, 127719, 128340, 141910, 170292, 172143, 191270, 212865, 229524, 255438, 283820, 286905, 344286, 382540, 425730, 439921, 510876, 573810, 638595, 688572, 851460, 860715, 879842, 1147620, 1277190, 1319763, 1721430, 1759684, 2199605, 2554380, 2639526, 3442860, 3959289, 4399210, 5279052, 6598815, 7918578, 8798420, 13197630, 15837156, 19796445, 26395260, 39592890, 79185780]

約数ペア:

[(1, 79185780), (2, 39592890), (3, 26395260), (4, 19796445), (5, 15837156), (6, 13197630), (9, 8798420), (10, 7918578), (12, 6598815), (15, 5279052), (18, 4399210), (20, 3959289), (23, 3442860), (30, 2639526), (31, 2554380), (36, 2199605), (45, 1759684), (46, 1721430), (60, 1319763), (62, 1277190), (69, 1147620), (90, 879842), (92, 860715), (93, 851460), (115, 688572), (124, 638595), (138, 573810), (155, 510876), (180, 439921), (186, 425730), (207, 382540), (230, 344286), (276, 286905), (279, 283820), (310, 255438), (345, 229524), (372, 212865), (414, 191270), (460, 172143), (465, 170292), (558, 141910), (617, 128340), (620, 127719), (690, 114762), (713, 111060), (828, 95635), (930, 85146), (1035, 76508), (1116, 70955), (1234, 64170), (1380, 57381), (1395, 56764), (1426, 55530), (1851, 42780), (1860, 42573), (2070, 38254), (2139, 37020), (2468, 32085), (2790, 28382), (2852, 27765), (3085, 25668), (3565, 22212), (3702, 21390), (4140, 19127), (4278, 18510), (5553, 14260), (5580, 14191), (6170, 12834), (6417, 12340), (7130, 11106), (7404, 10695), (8556, 9255)]