61331240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 158630400

約数和(自身を除く): 97299160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 47, 68, 76, 85, 94, 95, 101, 136, 152, 170, 188, 190, 202, 235, 323, 340, 376, 380, 404, 470, 505, 646, 680, 760, 799, 808, 893, 940, 1010, 1292, 1598, 1615, 1717, 1786, 1880, 1919, 2020, 2584, 3196, 3230, 3434, 3572, 3838, 3995, 4040, 4465, 4747, 6392, 6460, 6868, 7144, 7676, 7990, 8585, 8930, 9494, 9595, 12920, 13736, 15181, 15352, 15980, 17170, 17860, 18988, 19190, 23735, 30362, 31960, 32623, 34340, 35720, 37976, 38380, 47470, 60724, 65246, 68680, 75905, 76760, 80699, 90193, 94940, 121448, 130492, 151810, 161398, 163115, 180386, 189880, 260984, 303620, 322796, 326230, 360772, 403495, 450965, 607240, 645592, 652460, 721544, 806990, 901930, 1304920, 1533281, 1613980, 1803860, 3066562, 3227960, 3607720, 6133124, 7666405, 12266248, 15332810, 30665620, 61331240]

約数ペア:

[(1, 61331240), (2, 30665620), (4, 15332810), (5, 12266248), (8, 7666405), (10, 6133124), (17, 3607720), (19, 3227960), (20, 3066562), (34, 1803860), (38, 1613980), (40, 1533281), (47, 1304920), (68, 901930), (76, 806990), (85, 721544), (94, 652460), (95, 645592), (101, 607240), (136, 450965), (152, 403495), (170, 360772), (188, 326230), (190, 322796), (202, 303620), (235, 260984), (323, 189880), (340, 180386), (376, 163115), (380, 161398), (404, 151810), (470, 130492), (505, 121448), (646, 94940), (680, 90193), (760, 80699), (799, 76760), (808, 75905), (893, 68680), (940, 65246), (1010, 60724), (1292, 47470), (1598, 38380), (1615, 37976), (1717, 35720), (1786, 34340), (1880, 32623), (1919, 31960), (2020, 30362), (2584, 23735), (3196, 19190), (3230, 18988), (3434, 17860), (3572, 17170), (3838, 15980), (3995, 15352), (4040, 15181), (4465, 13736), (4747, 12920), (6392, 9595), (6460, 9494), (6868, 8930), (7144, 8585), (7676, 7990)]