254969760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{821}}^1$

素因数の和:1486

約数の個数: 96

約数和(自身を含む): 805375872

約数和(自身を除く): 550406112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 647, 821, 1294, 1642, 1941, 2463, 2588, 3235, 3284, 3882, 4105, 4926, 5176, 6470, 6568, 7764, 8210, 9705, 9852, 10352, 12315, 12940, 13136, 15528, 16420, 19410, 19704, 20704, 24630, 25880, 26272, 31056, 32840, 38820, 39408, 49260, 51760, 62112, 65680, 77640, 78816, 98520, 103520, 131360, 155280, 197040, 310560, 394080, 531187, 1062374, 1593561, 2124748, 2655935, 3187122, 4249496, 5311870, 6374244, 7967805, 8498992, 10623740, 12748488, 15935610, 16997984, 21247480, 25496976, 31871220, 42494960, 50993952, 63742440, 84989920, 127484880, 254969760]

約数ペア:

[(1, 254969760), (2, 127484880), (3, 84989920), (4, 63742440), (5, 50993952), (6, 42494960), (8, 31871220), (10, 25496976), (12, 21247480), (15, 16997984), (16, 15935610), (20, 12748488), (24, 10623740), (30, 8498992), (32, 7967805), (40, 6374244), (48, 5311870), (60, 4249496), (80, 3187122), (96, 2655935), (120, 2124748), (160, 1593561), (240, 1062374), (480, 531187), (647, 394080), (821, 310560), (1294, 197040), (1642, 155280), (1941, 131360), (2463, 103520), (2588, 98520), (3235, 78816), (3284, 77640), (3882, 65680), (4105, 62112), (4926, 51760), (5176, 49260), (6470, 39408), (6568, 38820), (7764, 32840), (8210, 31056), (9705, 26272), (9852, 25880), (10352, 24630), (12315, 20704), (12940, 19704), (13136, 19410), (15528, 16420)]