161686240

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 393845760

約数和(自身を除く): 232159520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 109, 127, 146, 160, 218, 254, 292, 365, 436, 508, 545, 584, 635, 730, 872, 1016, 1090, 1168, 1270, 1460, 1744, 2032, 2180, 2336, 2540, 2920, 3488, 4064, 4360, 5080, 5840, 7957, 8720, 9271, 10160, 11680, 13843, 15914, 17440, 18542, 20320, 27686, 31828, 37084, 39785, 46355, 55372, 63656, 69215, 74168, 79570, 92710, 110744, 127312, 138430, 148336, 159140, 185420, 221488, 254624, 276860, 296672, 318280, 370840, 442976, 553720, 636560, 741680, 1010539, 1107440, 1273120, 1483360, 2021078, 2214880, 4042156, 5052695, 8084312, 10105390, 16168624, 20210780, 32337248, 40421560, 80843120, 161686240]

約数ペア:

[(1, 161686240), (2, 80843120), (4, 40421560), (5, 32337248), (8, 20210780), (10, 16168624), (16, 10105390), (20, 8084312), (32, 5052695), (40, 4042156), (73, 2214880), (80, 2021078), (109, 1483360), (127, 1273120), (146, 1107440), (160, 1010539), (218, 741680), (254, 636560), (292, 553720), (365, 442976), (436, 370840), (508, 318280), (545, 296672), (584, 276860), (635, 254624), (730, 221488), (872, 185420), (1016, 159140), (1090, 148336), (1168, 138430), (1270, 127312), (1460, 110744), (1744, 92710), (2032, 79570), (2180, 74168), (2336, 69215), (2540, 63656), (2920, 55372), (3488, 46355), (4064, 39785), (4360, 37084), (5080, 31828), (5840, 27686), (7957, 20320), (8720, 18542), (9271, 17440), (10160, 15914), (11680, 13843)]