245887360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 629503200

約数和(自身を除く): 383615840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 73, 76, 80, 95, 128, 146, 152, 160, 190, 277, 292, 304, 320, 365, 380, 554, 584, 608, 640, 730, 760, 1108, 1168, 1216, 1385, 1387, 1460, 1520, 2216, 2336, 2432, 2770, 2774, 2920, 3040, 4432, 4672, 5263, 5540, 5548, 5840, 6080, 6935, 8864, 9344, 10526, 11080, 11096, 11680, 12160, 13870, 17728, 20221, 21052, 22160, 22192, 23360, 26315, 27740, 35456, 40442, 42104, 44320, 44384, 46720, 52630, 55480, 80884, 84208, 88640, 88768, 101105, 105260, 110960, 161768, 168416, 177280, 177536, 202210, 210520, 221920, 323536, 336832, 384199, 404420, 421040, 443840, 647072, 673664, 768398, 808840, 842080, 887680, 1294144, 1536796, 1617680, 1684160, 1920995, 2588288, 3073592, 3235360, 3368320, 3841990, 6147184, 6470720, 7683980, 12294368, 12941440, 15367960, 24588736, 30735920, 49177472, 61471840, 122943680, 245887360]

約数ペア:

[(1, 245887360), (2, 122943680), (4, 61471840), (5, 49177472), (8, 30735920), (10, 24588736), (16, 15367960), (19, 12941440), (20, 12294368), (32, 7683980), (38, 6470720), (40, 6147184), (64, 3841990), (73, 3368320), (76, 3235360), (80, 3073592), (95, 2588288), (128, 1920995), (146, 1684160), (152, 1617680), (160, 1536796), (190, 1294144), (277, 887680), (292, 842080), (304, 808840), (320, 768398), (365, 673664), (380, 647072), (554, 443840), (584, 421040), (608, 404420), (640, 384199), (730, 336832), (760, 323536), (1108, 221920), (1168, 210520), (1216, 202210), (1385, 177536), (1387, 177280), (1460, 168416), (1520, 161768), (2216, 110960), (2336, 105260), (2432, 101105), (2770, 88768), (2774, 88640), (2920, 84208), (3040, 80884), (4432, 55480), (4672, 52630), (5263, 46720), (5540, 44384), (5548, 44320), (5840, 42104), (6080, 40442), (6935, 35456), (8864, 27740), (9344, 26315), (10526, 23360), (11080, 22192), (11096, 22160), (11680, 21052), (12160, 20221), (13870, 17728)]