215668880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1091}}^1$

素因数の和:1464

約数の個数: 80

約数和(自身を含む): 575213184

約数和(自身を除く): 359544304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 353, 560, 706, 1091, 1412, 1765, 2182, 2471, 2824, 3530, 4364, 4942, 5455, 5648, 7060, 7637, 8728, 9884, 10910, 12355, 14120, 15274, 17456, 19768, 21820, 24710, 28240, 30548, 38185, 39536, 43640, 49420, 61096, 76370, 87280, 98840, 122192, 152740, 197680, 305480, 385123, 610960, 770246, 1540492, 1925615, 2695861, 3080984, 3851230, 5391722, 6161968, 7702460, 10783444, 13479305, 15404920, 21566888, 26958610, 30809840, 43133776, 53917220, 107834440, 215668880]

約数ペア:

[(1, 215668880), (2, 107834440), (4, 53917220), (5, 43133776), (7, 30809840), (8, 26958610), (10, 21566888), (14, 15404920), (16, 13479305), (20, 10783444), (28, 7702460), (35, 6161968), (40, 5391722), (56, 3851230), (70, 3080984), (80, 2695861), (112, 1925615), (140, 1540492), (280, 770246), (353, 610960), (560, 385123), (706, 305480), (1091, 197680), (1412, 152740), (1765, 122192), (2182, 98840), (2471, 87280), (2824, 76370), (3530, 61096), (4364, 49420), (4942, 43640), (5455, 39536), (5648, 38185), (7060, 30548), (7637, 28240), (8728, 24710), (9884, 21820), (10910, 19768), (12355, 17456), (14120, 15274)]