28219440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 87994368

約数和(自身を除く): 59774928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 383, 614, 766, 921, 1149, 1228, 1532, 1535, 1842, 1915, 2298, 2456, 3064, 3070, 3684, 3830, 4596, 4605, 4912, 5745, 6128, 6140, 7368, 7660, 9192, 9210, 11490, 12280, 14736, 15320, 18384, 18420, 22980, 24560, 30640, 36840, 45960, 73680, 91920, 117581, 235162, 352743, 470324, 587905, 705486, 940648, 1175810, 1410972, 1763715, 1881296, 2351620, 2821944, 3527430, 4703240, 5643888, 7054860, 9406480, 14109720, 28219440]

約数ペア:

[(1, 28219440), (2, 14109720), (3, 9406480), (4, 7054860), (5, 5643888), (6, 4703240), (8, 3527430), (10, 2821944), (12, 2351620), (15, 1881296), (16, 1763715), (20, 1410972), (24, 1175810), (30, 940648), (40, 705486), (48, 587905), (60, 470324), (80, 352743), (120, 235162), (240, 117581), (307, 91920), (383, 73680), (614, 45960), (766, 36840), (921, 30640), (1149, 24560), (1228, 22980), (1532, 18420), (1535, 18384), (1842, 15320), (1915, 14736), (2298, 12280), (2456, 11490), (3064, 9210), (3070, 9192), (3684, 7660), (3830, 7368), (4596, 6140), (4605, 6128), (4912, 5745)]