81336360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2617}}^1$

素因数の和:2675

約数の個数: 128

約数和(自身を含む): 286513920

約数和(自身を除く): 205177560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 2617, 3108, 3885, 4440, 5180, 5234, 6216, 7770, 7851, 10360, 10468, 13085, 15540, 15702, 18319, 20936, 26170, 31080, 31404, 36638, 39255, 52340, 54957, 62808, 73276, 78510, 91595, 96829, 104680, 109914, 146552, 157020, 183190, 193658, 219828, 274785, 290487, 314040, 366380, 387316, 439656, 484145, 549570, 580974, 677803, 732760, 774632, 968290, 1099140, 1161948, 1355606, 1452435, 1936580, 2033409, 2198280, 2323896, 2711212, 2904870, 3389015, 3873160, 4066818, 5422424, 5809740, 6778030, 8133636, 10167045, 11619480, 13556060, 16267272, 20334090, 27112120, 40668180, 81336360]

約数ペア:

[(1, 81336360), (2, 40668180), (3, 27112120), (4, 20334090), (5, 16267272), (6, 13556060), (7, 11619480), (8, 10167045), (10, 8133636), (12, 6778030), (14, 5809740), (15, 5422424), (20, 4066818), (21, 3873160), (24, 3389015), (28, 2904870), (30, 2711212), (35, 2323896), (37, 2198280), (40, 2033409), (42, 1936580), (56, 1452435), (60, 1355606), (70, 1161948), (74, 1099140), (84, 968290), (105, 774632), (111, 732760), (120, 677803), (140, 580974), (148, 549570), (168, 484145), (185, 439656), (210, 387316), (222, 366380), (259, 314040), (280, 290487), (296, 274785), (370, 219828), (420, 193658), (444, 183190), (518, 157020), (555, 146552), (740, 109914), (777, 104680), (840, 96829), (888, 91595), (1036, 78510), (1110, 73276), (1295, 62808), (1480, 54957), (1554, 52340), (2072, 39255), (2220, 36638), (2590, 31404), (2617, 31080), (3108, 26170), (3885, 20936), (4440, 18319), (5180, 15702), (5234, 15540), (6216, 13085), (7770, 10468), (7851, 10360)]