104728720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 251055360

約数和(自身を除く): 146326640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 79, 80, 146, 158, 227, 292, 316, 365, 395, 454, 584, 632, 730, 790, 908, 1135, 1168, 1264, 1460, 1580, 1816, 2270, 2920, 3160, 3632, 4540, 5767, 5840, 6320, 9080, 11534, 16571, 17933, 18160, 23068, 28835, 33142, 35866, 46136, 57670, 66284, 71732, 82855, 89665, 92272, 115340, 132568, 143464, 165710, 179330, 230680, 265136, 286928, 331420, 358660, 461360, 662840, 717320, 1309109, 1325680, 1434640, 2618218, 5236436, 6545545, 10472872, 13091090, 20945744, 26182180, 52364360, 104728720]

約数ペア:

[(1, 104728720), (2, 52364360), (4, 26182180), (5, 20945744), (8, 13091090), (10, 10472872), (16, 6545545), (20, 5236436), (40, 2618218), (73, 1434640), (79, 1325680), (80, 1309109), (146, 717320), (158, 662840), (227, 461360), (292, 358660), (316, 331420), (365, 286928), (395, 265136), (454, 230680), (584, 179330), (632, 165710), (730, 143464), (790, 132568), (908, 115340), (1135, 92272), (1168, 89665), (1264, 82855), (1460, 71732), (1580, 66284), (1816, 57670), (2270, 46136), (2920, 35866), (3160, 33142), (3632, 28835), (4540, 23068), (5767, 18160), (5840, 17933), (6320, 16571), (9080, 11534)]