135806640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{991}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 422163456

約数和(自身を除く): 286356816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 571, 991, 1142, 1713, 1982, 2284, 2855, 2973, 3426, 3964, 4568, 4955, 5710, 5946, 6852, 7928, 8565, 9136, 9910, 11420, 11892, 13704, 14865, 15856, 17130, 19820, 22840, 23784, 27408, 29730, 34260, 39640, 45680, 47568, 59460, 68520, 79280, 118920, 137040, 237840, 565861, 1131722, 1697583, 2263444, 2829305, 3395166, 4526888, 5658610, 6790332, 8487915, 9053776, 11317220, 13580664, 16975830, 22634440, 27161328, 33951660, 45268880, 67903320, 135806640]

約数ペア:

[(1, 135806640), (2, 67903320), (3, 45268880), (4, 33951660), (5, 27161328), (6, 22634440), (8, 16975830), (10, 13580664), (12, 11317220), (15, 9053776), (16, 8487915), (20, 6790332), (24, 5658610), (30, 4526888), (40, 3395166), (48, 2829305), (60, 2263444), (80, 1697583), (120, 1131722), (240, 565861), (571, 237840), (991, 137040), (1142, 118920), (1713, 79280), (1982, 68520), (2284, 59460), (2855, 47568), (2973, 45680), (3426, 39640), (3964, 34260), (4568, 29730), (4955, 27408), (5710, 23784), (5946, 22840), (6852, 19820), (7928, 17130), (8565, 15856), (9136, 14865), (9910, 13704), (11420, 11892)]