418278320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 1001468640

約数和(自身を除く): 583190320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 73, 80, 134, 146, 268, 292, 335, 365, 536, 584, 670, 730, 1069, 1072, 1168, 1340, 1460, 2138, 2680, 2920, 4276, 4891, 5345, 5360, 5840, 8552, 9782, 10690, 17104, 19564, 21380, 24455, 39128, 42760, 48910, 71623, 78037, 78256, 85520, 97820, 143246, 156074, 195640, 286492, 312148, 358115, 390185, 391280, 572984, 624296, 716230, 780370, 1145968, 1248592, 1432460, 1560740, 2864920, 3121480, 5228479, 5729840, 6242960, 10456958, 20913916, 26142395, 41827832, 52284790, 83655664, 104569580, 209139160, 418278320]

約数ペア:

[(1, 418278320), (2, 209139160), (4, 104569580), (5, 83655664), (8, 52284790), (10, 41827832), (16, 26142395), (20, 20913916), (40, 10456958), (67, 6242960), (73, 5729840), (80, 5228479), (134, 3121480), (146, 2864920), (268, 1560740), (292, 1432460), (335, 1248592), (365, 1145968), (536, 780370), (584, 716230), (670, 624296), (730, 572984), (1069, 391280), (1072, 390185), (1168, 358115), (1340, 312148), (1460, 286492), (2138, 195640), (2680, 156074), (2920, 143246), (4276, 97820), (4891, 85520), (5345, 78256), (5360, 78037), (5840, 71623), (8552, 48910), (9782, 42760), (10690, 39128), (17104, 24455), (19564, 21380)]