51397680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 160061184

約数和(自身を除く): 108663504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 647, 662, 993, 1294, 1324, 1655, 1941, 1986, 2588, 2648, 3235, 3310, 3882, 3972, 4965, 5176, 5296, 6470, 6620, 7764, 7944, 9705, 9930, 10352, 12940, 13240, 15528, 15888, 19410, 19860, 25880, 26480, 31056, 38820, 39720, 51760, 77640, 79440, 155280, 214157, 428314, 642471, 856628, 1070785, 1284942, 1713256, 2141570, 2569884, 3212355, 3426512, 4283140, 5139768, 6424710, 8566280, 10279536, 12849420, 17132560, 25698840, 51397680]

約数ペア:

[(1, 51397680), (2, 25698840), (3, 17132560), (4, 12849420), (5, 10279536), (6, 8566280), (8, 6424710), (10, 5139768), (12, 4283140), (15, 3426512), (16, 3212355), (20, 2569884), (24, 2141570), (30, 1713256), (40, 1284942), (48, 1070785), (60, 856628), (80, 642471), (120, 428314), (240, 214157), (331, 155280), (647, 79440), (662, 77640), (993, 51760), (1294, 39720), (1324, 38820), (1655, 31056), (1941, 26480), (1986, 25880), (2588, 19860), (2648, 19410), (3235, 15888), (3310, 15528), (3882, 13240), (3972, 12940), (4965, 10352), (5176, 9930), (5296, 9705), (6470, 7944), (6620, 7764)]