72217020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 216530496

約数和(自身を除く): 144313476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 101, 102, 170, 202, 204, 255, 303, 340, 404, 505, 510, 606, 701, 1010, 1020, 1212, 1402, 1515, 1717, 2020, 2103, 2804, 3030, 3434, 3505, 4206, 5151, 6060, 6868, 7010, 8412, 8585, 10302, 10515, 11917, 14020, 17170, 20604, 21030, 23834, 25755, 34340, 35751, 42060, 47668, 51510, 59585, 70801, 71502, 103020, 119170, 141602, 143004, 178755, 212403, 238340, 283204, 354005, 357510, 424806, 708010, 715020, 849612, 1062015, 1203617, 1416020, 2124030, 2407234, 3610851, 4248060, 4814468, 6018085, 7221702, 12036170, 14443404, 18054255, 24072340, 36108510, 72217020]

約数ペア:

[(1, 72217020), (2, 36108510), (3, 24072340), (4, 18054255), (5, 14443404), (6, 12036170), (10, 7221702), (12, 6018085), (15, 4814468), (17, 4248060), (20, 3610851), (30, 2407234), (34, 2124030), (51, 1416020), (60, 1203617), (68, 1062015), (85, 849612), (101, 715020), (102, 708010), (170, 424806), (202, 357510), (204, 354005), (255, 283204), (303, 238340), (340, 212403), (404, 178755), (505, 143004), (510, 141602), (606, 119170), (701, 103020), (1010, 71502), (1020, 70801), (1212, 59585), (1402, 51510), (1515, 47668), (1717, 42060), (2020, 35751), (2103, 34340), (2804, 25755), (3030, 23834), (3434, 21030), (3505, 20604), (4206, 17170), (5151, 14020), (6060, 11917), (6868, 10515), (7010, 10302), (8412, 8585)]