61938760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 89019320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 311, 383, 520, 622, 766, 1244, 1532, 1555, 1915, 2488, 3064, 3110, 3830, 4043, 4979, 6220, 7660, 8086, 9958, 12440, 15320, 16172, 19916, 20215, 24895, 32344, 39832, 40430, 49790, 80860, 99580, 119113, 161720, 199160, 238226, 476452, 595565, 952904, 1191130, 1548469, 2382260, 3096938, 4764520, 6193876, 7742345, 12387752, 15484690, 30969380, 61938760]

約数ペア:

[(1, 61938760), (2, 30969380), (4, 15484690), (5, 12387752), (8, 7742345), (10, 6193876), (13, 4764520), (20, 3096938), (26, 2382260), (40, 1548469), (52, 1191130), (65, 952904), (104, 595565), (130, 476452), (260, 238226), (311, 199160), (383, 161720), (520, 119113), (622, 99580), (766, 80860), (1244, 49790), (1532, 40430), (1555, 39832), (1915, 32344), (2488, 24895), (3064, 20215), (3110, 19916), (3830, 16172), (4043, 15320), (4979, 12440), (6220, 9958), (7660, 8086)]