272791160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 625302720

約数和(自身を除く): 352511560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 167, 194, 334, 388, 421, 485, 668, 776, 835, 842, 970, 1336, 1670, 1684, 1940, 2105, 3340, 3368, 3880, 4210, 6680, 8420, 16199, 16840, 32398, 40837, 64796, 70307, 80995, 81674, 129592, 140614, 161990, 163348, 204185, 281228, 323980, 326696, 351535, 408370, 562456, 647960, 703070, 816740, 1406140, 1633480, 2812280, 6819779, 13639558, 27279116, 34098895, 54558232, 68197790, 136395580, 272791160]

約数ペア:

[(1, 272791160), (2, 136395580), (4, 68197790), (5, 54558232), (8, 34098895), (10, 27279116), (20, 13639558), (40, 6819779), (97, 2812280), (167, 1633480), (194, 1406140), (334, 816740), (388, 703070), (421, 647960), (485, 562456), (668, 408370), (776, 351535), (835, 326696), (842, 323980), (970, 281228), (1336, 204185), (1670, 163348), (1684, 161990), (1940, 140614), (2105, 129592), (3340, 81674), (3368, 80995), (3880, 70307), (4210, 64796), (6680, 40837), (8420, 32398), (16199, 16840)]