690508720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:599

約数の個数: 160

約数和(自身を含む): 1876862016

約数和(自身を除く): 1186353296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 101, 110, 136, 170, 176, 187, 202, 220, 272, 340, 374, 404, 440, 457, 505, 680, 748, 808, 880, 914, 935, 1010, 1111, 1360, 1496, 1616, 1717, 1828, 1870, 2020, 2222, 2285, 2992, 3434, 3656, 3740, 4040, 4444, 4570, 5027, 5555, 6868, 7312, 7480, 7769, 8080, 8585, 8888, 9140, 10054, 11110, 13736, 14960, 15538, 17170, 17776, 18280, 18887, 20108, 22220, 25135, 27472, 31076, 34340, 36560, 37774, 38845, 40216, 44440, 46157, 50270, 62152, 68680, 75548, 77690, 80432, 85459, 88880, 92314, 94435, 100540, 124304, 137360, 151096, 155380, 170918, 184628, 188870, 201080, 230785, 302192, 310760, 341836, 369256, 377740, 402160, 427295, 461570, 507727, 621520, 683672, 738512, 755480, 784669, 854590, 923140, 1015454, 1367344, 1510960, 1569338, 1709180, 1846280, 2030908, 2538635, 3138676, 3418360, 3692560, 3923345, 4061816, 5077270, 6277352, 6836720, 7846690, 8123632, 8631359, 10154540, 12554704, 15693380, 17262718, 20309080, 31386760, 34525436, 40618160, 43156795, 62773520, 69050872, 86313590, 138101744, 172627180, 345254360, 690508720]

約数ペア:

[(1, 690508720), (2, 345254360), (4, 172627180), (5, 138101744), (8, 86313590), (10, 69050872), (11, 62773520), (16, 43156795), (17, 40618160), (20, 34525436), (22, 31386760), (34, 20309080), (40, 17262718), (44, 15693380), (55, 12554704), (68, 10154540), (80, 8631359), (85, 8123632), (88, 7846690), (101, 6836720), (110, 6277352), (136, 5077270), (170, 4061816), (176, 3923345), (187, 3692560), (202, 3418360), (220, 3138676), (272, 2538635), (340, 2030908), (374, 1846280), (404, 1709180), (440, 1569338), (457, 1510960), (505, 1367344), (680, 1015454), (748, 923140), (808, 854590), (880, 784669), (914, 755480), (935, 738512), (1010, 683672), (1111, 621520), (1360, 507727), (1496, 461570), (1616, 427295), (1717, 402160), (1828, 377740), (1870, 369256), (2020, 341836), (2222, 310760), (2285, 302192), (2992, 230785), (3434, 201080), (3656, 188870), (3740, 184628), (4040, 170918), (4444, 155380), (4570, 151096), (5027, 137360), (5555, 124304), (6868, 100540), (7312, 94435), (7480, 92314), (7769, 88880), (8080, 85459), (8585, 80432), (8888, 77690), (9140, 75548), (10054, 68680), (11110, 62152), (13736, 50270), (14960, 46157), (15538, 44440), (17170, 40216), (17776, 38845), (18280, 37774), (18887, 36560), (20108, 34340), (22220, 31076), (25135, 27472)]