649331320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1933

約数の個数: 128

約数和(自身を含む): 1724405760

約数和(自身を除く): 1075074440

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 47, 55, 68, 85, 88, 94, 110, 136, 170, 187, 188, 220, 235, 340, 374, 376, 440, 470, 517, 680, 748, 799, 935, 940, 1034, 1496, 1598, 1847, 1870, 1880, 2068, 2585, 3196, 3694, 3740, 3995, 4136, 5170, 6392, 7388, 7480, 7990, 8789, 9235, 10340, 14776, 15980, 17578, 18470, 20317, 20680, 31399, 31960, 35156, 36940, 40634, 43945, 62798, 70312, 73880, 81268, 86809, 87890, 101585, 125596, 156995, 162536, 173618, 175780, 203170, 251192, 313990, 345389, 347236, 351560, 406340, 434045, 627980, 690778, 694472, 812680, 868090, 954899, 1255960, 1381556, 1475753, 1726945, 1736180, 1909798, 2763112, 2951506, 3453890, 3472360, 3819596, 4774495, 5903012, 6907780, 7378765, 7639192, 9548990, 11806024, 13815560, 14757530, 16233283, 19097980, 29515060, 32466566, 38195960, 59030120, 64933132, 81166415, 129866264, 162332830, 324665660, 649331320]

約数ペア:

[(1, 649331320), (2, 324665660), (4, 162332830), (5, 129866264), (8, 81166415), (10, 64933132), (11, 59030120), (17, 38195960), (20, 32466566), (22, 29515060), (34, 19097980), (40, 16233283), (44, 14757530), (47, 13815560), (55, 11806024), (68, 9548990), (85, 7639192), (88, 7378765), (94, 6907780), (110, 5903012), (136, 4774495), (170, 3819596), (187, 3472360), (188, 3453890), (220, 2951506), (235, 2763112), (340, 1909798), (374, 1736180), (376, 1726945), (440, 1475753), (470, 1381556), (517, 1255960), (680, 954899), (748, 868090), (799, 812680), (935, 694472), (940, 690778), (1034, 627980), (1496, 434045), (1598, 406340), (1847, 351560), (1870, 347236), (1880, 345389), (2068, 313990), (2585, 251192), (3196, 203170), (3694, 175780), (3740, 173618), (3995, 162536), (4136, 156995), (5170, 125596), (6392, 101585), (7388, 87890), (7480, 86809), (7990, 81268), (8789, 73880), (9235, 70312), (10340, 62798), (14776, 43945), (15980, 40634), (17578, 36940), (18470, 35156), (20317, 31960), (20680, 31399)]