257396640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{536243}}^1$

素因数の和:536261

約数の個数: 48

約数和(自身を含む): 810800928

約数和(自身を除く): 553404288

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, 536243, 1072486, 1608729, 2144972, 2681215, 3217458, 4289944, 5362430, 6434916, 8043645, 8579888, 10724860, 12869832, 16087290, 17159776, 21449720, 25739664, 32174580, 42899440, 51479328, 64349160, 85798880, 128698320, 257396640]

約数ペア:

[(1, 257396640), (2, 128698320), (3, 85798880), (4, 64349160), (5, 51479328), (6, 42899440), (8, 32174580), (10, 25739664), (12, 21449720), (15, 17159776), (16, 16087290), (20, 12869832), (24, 10724860), (30, 8579888), (32, 8043645), (40, 6434916), (48, 5362430), (60, 4289944), (80, 3217458), (96, 2681215), (120, 2144972), (160, 1608729), (240, 1072486), (480, 536243)]