31565940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4457

約数の個数: 96

約数和(自身を含む): 106977024

約数和(自身を除く): 75411084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4421, 7140, 8842, 13263, 17684, 22105, 26526, 30947, 44210, 53052, 61894, 66315, 75157, 88420, 92841, 123788, 132630, 150314, 154735, 185682, 225471, 265260, 300628, 309470, 371364, 375785, 450942, 464205, 526099, 618940, 751570, 901884, 928410, 1052198, 1127355, 1503140, 1578297, 1856820, 2104396, 2254710, 2630495, 3156594, 4509420, 5260990, 6313188, 7891485, 10521980, 15782970, 31565940]

約数ペア:

[(1, 31565940), (2, 15782970), (3, 10521980), (4, 7891485), (5, 6313188), (6, 5260990), (7, 4509420), (10, 3156594), (12, 2630495), (14, 2254710), (15, 2104396), (17, 1856820), (20, 1578297), (21, 1503140), (28, 1127355), (30, 1052198), (34, 928410), (35, 901884), (42, 751570), (51, 618940), (60, 526099), (68, 464205), (70, 450942), (84, 375785), (85, 371364), (102, 309470), (105, 300628), (119, 265260), (140, 225471), (170, 185682), (204, 154735), (210, 150314), (238, 132630), (255, 123788), (340, 92841), (357, 88420), (420, 75157), (476, 66315), (510, 61894), (595, 53052), (714, 44210), (1020, 30947), (1190, 26526), (1428, 22105), (1785, 17684), (2380, 13263), (3570, 8842), (4421, 7140)]