31891160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 85322160

約数和(自身を除く): 53431000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 307, 371, 392, 424, 490, 530, 614, 742, 980, 1060, 1228, 1484, 1535, 1855, 1960, 2120, 2149, 2456, 2597, 2968, 3070, 3710, 4298, 5194, 6140, 7420, 8596, 10388, 10745, 12280, 12985, 14840, 15043, 16271, 17192, 20776, 21490, 25970, 30086, 32542, 42980, 51940, 60172, 65084, 75215, 81355, 85960, 103880, 113897, 120344, 130168, 150430, 162710, 227794, 300860, 325420, 455588, 569485, 601720, 650840, 797279, 911176, 1138970, 1594558, 2277940, 3189116, 3986395, 4555880, 6378232, 7972790, 15945580, 31891160]

約数ペア:

[(1, 31891160), (2, 15945580), (4, 7972790), (5, 6378232), (7, 4555880), (8, 3986395), (10, 3189116), (14, 2277940), (20, 1594558), (28, 1138970), (35, 911176), (40, 797279), (49, 650840), (53, 601720), (56, 569485), (70, 455588), (98, 325420), (106, 300860), (140, 227794), (196, 162710), (212, 150430), (245, 130168), (265, 120344), (280, 113897), (307, 103880), (371, 85960), (392, 81355), (424, 75215), (490, 65084), (530, 60172), (614, 51940), (742, 42980), (980, 32542), (1060, 30086), (1228, 25970), (1484, 21490), (1535, 20776), (1855, 17192), (1960, 16271), (2120, 15043), (2149, 14840), (2456, 12985), (2597, 12280), (2968, 10745), (3070, 10388), (3710, 8596), (4298, 7420), (5194, 6140)]