61400560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 157427424

約数和(自身を除く): 96026864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1373, 1720, 2236, 2746, 2795, 3440, 4472, 5492, 5590, 6865, 8944, 10984, 11180, 13730, 17849, 21968, 22360, 27460, 35698, 44720, 54920, 59039, 71396, 89245, 109840, 118078, 142792, 178490, 236156, 285584, 295195, 356980, 472312, 590390, 713960, 767507, 944624, 1180780, 1427920, 1535014, 2361560, 3070028, 3837535, 4723120, 6140056, 7675070, 12280112, 15350140, 30700280, 61400560]

約数ペア:

[(1, 61400560), (2, 30700280), (4, 15350140), (5, 12280112), (8, 7675070), (10, 6140056), (13, 4723120), (16, 3837535), (20, 3070028), (26, 2361560), (40, 1535014), (43, 1427920), (52, 1180780), (65, 944624), (80, 767507), (86, 713960), (104, 590390), (130, 472312), (172, 356980), (208, 295195), (215, 285584), (260, 236156), (344, 178490), (430, 142792), (520, 118078), (559, 109840), (688, 89245), (860, 71396), (1040, 59039), (1118, 54920), (1373, 44720), (1720, 35698), (2236, 27460), (2746, 22360), (2795, 21968), (3440, 17849), (4472, 13730), (5492, 11180), (5590, 10984), (6865, 8944)]