87427720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 202464000

約数和(自身を除く): 115036280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 79, 146, 158, 292, 316, 365, 379, 395, 584, 632, 730, 758, 790, 1460, 1516, 1580, 1895, 2920, 3032, 3160, 3790, 5767, 7580, 11534, 15160, 23068, 27667, 28835, 29941, 46136, 55334, 57670, 59882, 110668, 115340, 119764, 138335, 149705, 221336, 230680, 239528, 276670, 299410, 553340, 598820, 1106680, 1197640, 2185693, 4371386, 8742772, 10928465, 17485544, 21856930, 43713860, 87427720]

約数ペア:

[(1, 87427720), (2, 43713860), (4, 21856930), (5, 17485544), (8, 10928465), (10, 8742772), (20, 4371386), (40, 2185693), (73, 1197640), (79, 1106680), (146, 598820), (158, 553340), (292, 299410), (316, 276670), (365, 239528), (379, 230680), (395, 221336), (584, 149705), (632, 138335), (730, 119764), (758, 115340), (790, 110668), (1460, 59882), (1516, 57670), (1580, 55334), (1895, 46136), (2920, 29941), (3032, 28835), (3160, 27667), (3790, 23068), (5767, 15160), (7580, 11534)]