312581640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{372121}}^1$

素因数の和:372142

約数の個数: 64

約数和(自身を含む): 1071711360

約数和(自身を除く): 759129720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 372121, 744242, 1116363, 1488484, 1860605, 2232726, 2604847, 2976968, 3721210, 4465452, 5209694, 5581815, 7442420, 7814541, 8930904, 10419388, 11163630, 13024235, 14884840, 15629082, 20838776, 22327260, 26048470, 31258164, 39072705, 44654520, 52096940, 62516328, 78145410, 104193880, 156290820, 312581640]

約数ペア:

[(1, 312581640), (2, 156290820), (3, 104193880), (4, 78145410), (5, 62516328), (6, 52096940), (7, 44654520), (8, 39072705), (10, 31258164), (12, 26048470), (14, 22327260), (15, 20838776), (20, 15629082), (21, 14884840), (24, 13024235), (28, 11163630), (30, 10419388), (35, 8930904), (40, 7814541), (42, 7442420), (56, 5581815), (60, 5209694), (70, 4465452), (84, 3721210), (105, 2976968), (120, 2604847), (140, 2232726), (168, 1860605), (210, 1488484), (280, 1116363), (420, 744242), (840, 372121)]