261963120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4567}}^1$

素因数の和:4822

約数の個数: 80

約数和(自身を含む): 815662080

約数和(自身を除く): 553698960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4567, 4780, 5736, 7170, 9134, 9560, 11472, 13701, 14340, 18268, 19120, 22835, 27402, 28680, 36536, 45670, 54804, 57360, 68505, 73072, 91340, 109608, 137010, 182680, 219216, 274020, 365360, 548040, 1091513, 1096080, 2183026, 3274539, 4366052, 5457565, 6549078, 8732104, 10915130, 13098156, 16372695, 17464208, 21830260, 26196312, 32745390, 43660520, 52392624, 65490780, 87321040, 130981560, 261963120]

約数ペア:

[(1, 261963120), (2, 130981560), (3, 87321040), (4, 65490780), (5, 52392624), (6, 43660520), (8, 32745390), (10, 26196312), (12, 21830260), (15, 17464208), (16, 16372695), (20, 13098156), (24, 10915130), (30, 8732104), (40, 6549078), (48, 5457565), (60, 4366052), (80, 3274539), (120, 2183026), (239, 1096080), (240, 1091513), (478, 548040), (717, 365360), (956, 274020), (1195, 219216), (1434, 182680), (1912, 137010), (2390, 109608), (2868, 91340), (3585, 73072), (3824, 68505), (4567, 57360), (4780, 54804), (5736, 45670), (7170, 36536), (9134, 28680), (9560, 27402), (11472, 22835), (13701, 19120), (14340, 18268)]