61990715280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19868819}}^1$

素因数の和:19868848

約数の個数: 80

約数和(自身を含む): 206953629120

約数和(自身を除く): 144962913840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 19868819, 39737638, 59606457, 79475276, 99344095, 119212914, 158950552, 198688190, 238425828, 258294647, 298032285, 317901104, 397376380, 476851656, 516589294, 596064570, 774883941, 794752760, 953703312, 1033178588, 1192129140, 1291473235, 1549767882, 1589505520, 2066357176, 2384258280, 2582946470, 3099535764, 3874419705, 4132714352, 4768516560, 5165892940, 6199071528, 7748839410, 10331785880, 12398143056, 15497678820, 20663571760, 30995357640, 61990715280]

約数ペア:

[(1, 61990715280), (2, 30995357640), (3, 20663571760), (4, 15497678820), (5, 12398143056), (6, 10331785880), (8, 7748839410), (10, 6199071528), (12, 5165892940), (13, 4768516560), (15, 4132714352), (16, 3874419705), (20, 3099535764), (24, 2582946470), (26, 2384258280), (30, 2066357176), (39, 1589505520), (40, 1549767882), (48, 1291473235), (52, 1192129140), (60, 1033178588), (65, 953703312), (78, 794752760), (80, 774883941), (104, 596064570), (120, 516589294), (130, 476851656), (156, 397376380), (195, 317901104), (208, 298032285), (240, 258294647), (260, 238425828), (312, 198688190), (390, 158950552), (520, 119212914), (624, 99344095), (780, 79475276), (1040, 59606457), (1560, 39737638), (3120, 19868819)]