61871680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 161300160

約数和(自身を除く): 99428480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 130, 139, 160, 208, 214, 260, 278, 320, 416, 428, 520, 535, 556, 695, 832, 856, 1040, 1070, 1112, 1390, 1391, 1712, 1807, 2080, 2140, 2224, 2780, 2782, 3424, 3614, 4160, 4280, 4448, 5560, 5564, 6848, 6955, 7228, 8560, 8896, 9035, 11120, 11128, 13910, 14456, 14873, 17120, 18070, 22240, 22256, 27820, 28912, 29746, 34240, 36140, 44480, 44512, 55640, 57824, 59492, 72280, 74365, 89024, 111280, 115648, 118984, 144560, 148730, 193349, 222560, 237968, 289120, 297460, 386698, 445120, 475936, 578240, 594920, 773396, 951872, 966745, 1189840, 1546792, 1933490, 2379680, 3093584, 3866980, 4759360, 6187168, 7733960, 12374336, 15467920, 30935840, 61871680]

約数ペア:

[(1, 61871680), (2, 30935840), (4, 15467920), (5, 12374336), (8, 7733960), (10, 6187168), (13, 4759360), (16, 3866980), (20, 3093584), (26, 2379680), (32, 1933490), (40, 1546792), (52, 1189840), (64, 966745), (65, 951872), (80, 773396), (104, 594920), (107, 578240), (130, 475936), (139, 445120), (160, 386698), (208, 297460), (214, 289120), (260, 237968), (278, 222560), (320, 193349), (416, 148730), (428, 144560), (520, 118984), (535, 115648), (556, 111280), (695, 89024), (832, 74365), (856, 72280), (1040, 59492), (1070, 57824), (1112, 55640), (1390, 44512), (1391, 44480), (1712, 36140), (1807, 34240), (2080, 29746), (2140, 28912), (2224, 27820), (2780, 22256), (2782, 22240), (3424, 18070), (3614, 17120), (4160, 14873), (4280, 14456), (4448, 13910), (5560, 11128), (5564, 11120), (6848, 9035), (6955, 8896), (7228, 8560)]