247266560

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 637531776

約数和(自身を除く): 390265216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 227, 230, 256, 296, 320, 368, 370, 454, 460, 592, 640, 736, 740, 851, 908, 920, 1135, 1184, 1280, 1472, 1480, 1702, 1816, 1840, 2270, 2368, 2944, 2960, 3404, 3632, 3680, 4255, 4540, 4736, 5221, 5888, 5920, 6808, 7264, 7360, 8399, 8510, 9080, 9472, 10442, 11840, 13616, 14528, 14720, 16798, 17020, 18160, 20884, 23680, 26105, 27232, 29056, 29440, 33596, 34040, 36320, 41768, 41995, 47360, 52210, 54464, 58112, 67192, 68080, 72640, 83536, 83990, 104420, 108928, 134384, 136160, 145280, 167072, 167980, 193177, 208840, 217856, 268768, 272320, 290560, 334144, 335960, 386354, 417680, 537536, 544640, 668288, 671920, 772708, 835360, 965885, 1075072, 1089280, 1336576, 1343840, 1545416, 1670720, 1931770, 2150144, 2687680, 3090832, 3341440, 3863540, 5375360, 6181664, 6682880, 7727080, 10750720, 12363328, 15454160, 24726656, 30908320, 49453312, 61816640, 123633280, 247266560]

約数ペア:

[(1, 247266560), (2, 123633280), (4, 61816640), (5, 49453312), (8, 30908320), (10, 24726656), (16, 15454160), (20, 12363328), (23, 10750720), (32, 7727080), (37, 6682880), (40, 6181664), (46, 5375360), (64, 3863540), (74, 3341440), (80, 3090832), (92, 2687680), (115, 2150144), (128, 1931770), (148, 1670720), (160, 1545416), (184, 1343840), (185, 1336576), (227, 1089280), (230, 1075072), (256, 965885), (296, 835360), (320, 772708), (368, 671920), (370, 668288), (454, 544640), (460, 537536), (592, 417680), (640, 386354), (736, 335960), (740, 334144), (851, 290560), (908, 272320), (920, 268768), (1135, 217856), (1184, 208840), (1280, 193177), (1472, 167980), (1480, 167072), (1702, 145280), (1816, 136160), (1840, 134384), (2270, 108928), (2368, 104420), (2944, 83990), (2960, 83536), (3404, 72640), (3632, 68080), (3680, 67192), (4255, 58112), (4540, 54464), (4736, 52210), (5221, 47360), (5888, 41995), (5920, 41768), (6808, 36320), (7264, 34040), (7360, 33596), (8399, 29440), (8510, 29056), (9080, 27232), (9472, 26105), (10442, 23680), (11840, 20884), (13616, 18160), (14528, 17020), (14720, 16798)]