65334920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12281}}^1$

素因数の和:12318

約数の個数: 64

約数和(自身を含む): 176860800

約数和(自身を除く): 111525880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 12281, 24562, 49124, 61405, 85967, 98248, 122810, 171934, 233339, 245620, 343868, 429835, 466678, 491240, 687736, 859670, 933356, 1166695, 1633373, 1719340, 1866712, 2333390, 3266746, 3438680, 4666780, 6533492, 8166865, 9333560, 13066984, 16333730, 32667460, 65334920]

約数ペア:

[(1, 65334920), (2, 32667460), (4, 16333730), (5, 13066984), (7, 9333560), (8, 8166865), (10, 6533492), (14, 4666780), (19, 3438680), (20, 3266746), (28, 2333390), (35, 1866712), (38, 1719340), (40, 1633373), (56, 1166695), (70, 933356), (76, 859670), (95, 687736), (133, 491240), (140, 466678), (152, 429835), (190, 343868), (266, 245620), (280, 233339), (380, 171934), (532, 122810), (665, 98248), (760, 85967), (1064, 61405), (1330, 49124), (2660, 24562), (5320, 12281)]