661899760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 1694623680

約数和(自身を除く): 1032723920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 73, 80, 85, 113, 118, 136, 146, 170, 226, 236, 272, 292, 295, 340, 365, 452, 472, 565, 584, 590, 680, 730, 904, 944, 1003, 1130, 1168, 1180, 1241, 1360, 1460, 1808, 1921, 2006, 2260, 2360, 2482, 2920, 3842, 4012, 4307, 4520, 4720, 4964, 5015, 5840, 6205, 6667, 7684, 8024, 8249, 8614, 9040, 9605, 9928, 10030, 12410, 13334, 15368, 16048, 16498, 17228, 19210, 19856, 20060, 21535, 24820, 26668, 30736, 32996, 33335, 34456, 38420, 40120, 41245, 43070, 49640, 53336, 65992, 66670, 68912, 73219, 76840, 80240, 82490, 86140, 99280, 106672, 113339, 131984, 133340, 140233, 146438, 153680, 164980, 172280, 226678, 266680, 280466, 292876, 329960, 344560, 366095, 453356, 486691, 533360, 560932, 566695, 585752, 659920, 701165, 732190, 906712, 973382, 1121864, 1133390, 1171504, 1402330, 1464380, 1813424, 1946764, 2243728, 2266780, 2433455, 2804660, 2928760, 3893528, 4533560, 4866910, 5609320, 5857520, 7787056, 8273747, 9067120, 9733820, 11218640, 16547494, 19467640, 33094988, 38935280, 41368735, 66189976, 82737470, 132379952, 165474940, 330949880, 661899760]

約数ペア:

[(1, 661899760), (2, 330949880), (4, 165474940), (5, 132379952), (8, 82737470), (10, 66189976), (16, 41368735), (17, 38935280), (20, 33094988), (34, 19467640), (40, 16547494), (59, 11218640), (68, 9733820), (73, 9067120), (80, 8273747), (85, 7787056), (113, 5857520), (118, 5609320), (136, 4866910), (146, 4533560), (170, 3893528), (226, 2928760), (236, 2804660), (272, 2433455), (292, 2266780), (295, 2243728), (340, 1946764), (365, 1813424), (452, 1464380), (472, 1402330), (565, 1171504), (584, 1133390), (590, 1121864), (680, 973382), (730, 906712), (904, 732190), (944, 701165), (1003, 659920), (1130, 585752), (1168, 566695), (1180, 560932), (1241, 533360), (1360, 486691), (1460, 453356), (1808, 366095), (1921, 344560), (2006, 329960), (2260, 292876), (2360, 280466), (2482, 266680), (2920, 226678), (3842, 172280), (4012, 164980), (4307, 153680), (4520, 146438), (4720, 140233), (4964, 133340), (5015, 131984), (5840, 113339), (6205, 106672), (6667, 99280), (7684, 86140), (8024, 82490), (8249, 80240), (8614, 76840), (9040, 73219), (9605, 68912), (9928, 66670), (10030, 65992), (12410, 53336), (13334, 49640), (15368, 43070), (16048, 41245), (16498, 40120), (17228, 38420), (19210, 34456), (19856, 33335), (20060, 32996), (21535, 30736), (24820, 26668)]