647743740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4236

約数の個数: 144

約数和(自身を含む): 2150118432

約数和(自身を除く): 1502374692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1470, 1484, 1590, 1855, 2226, 2597, 2940, 3180, 3710, 4157, 4452, 5194, 5565, 7420, 7791, 8314, 10388, 11130, 12471, 12985, 15582, 16628, 20785, 22260, 24942, 25970, 29099, 31164, 38955, 41570, 49884, 51940, 58198, 62355, 77910, 83140, 87297, 116396, 124710, 145495, 155820, 174594, 203693, 220321, 249420, 290990, 349188, 407386, 436485, 440642, 581980, 611079, 660963, 814772, 872970, 881284, 1018465, 1101605, 1222158, 1321926, 1542247, 1745940, 2036930, 2203210, 2444316, 2643852, 3055395, 3084494, 3304815, 4073860, 4406420, 4626741, 6110790, 6168988, 6609630, 7711235, 9253482, 10795729, 12221580, 13219260, 15422470, 18506964, 21591458, 23133705, 30844940, 32387187, 43182916, 46267410, 53978645, 64774374, 92534820, 107957290, 129548748, 161935935, 215914580, 323871870, 647743740]

約数ペア:

[(1, 647743740), (2, 323871870), (3, 215914580), (4, 161935935), (5, 129548748), (6, 107957290), (7, 92534820), (10, 64774374), (12, 53978645), (14, 46267410), (15, 43182916), (20, 32387187), (21, 30844940), (28, 23133705), (30, 21591458), (35, 18506964), (42, 15422470), (49, 13219260), (53, 12221580), (60, 10795729), (70, 9253482), (84, 7711235), (98, 6609630), (105, 6168988), (106, 6110790), (140, 4626741), (147, 4406420), (159, 4073860), (196, 3304815), (210, 3084494), (212, 3055395), (245, 2643852), (265, 2444316), (294, 2203210), (318, 2036930), (371, 1745940), (420, 1542247), (490, 1321926), (530, 1222158), (588, 1101605), (636, 1018465), (735, 881284), (742, 872970), (795, 814772), (980, 660963), (1060, 611079), (1113, 581980), (1470, 440642), (1484, 436485), (1590, 407386), (1855, 349188), (2226, 290990), (2597, 249420), (2940, 220321), (3180, 203693), (3710, 174594), (4157, 155820), (4452, 145495), (5194, 124710), (5565, 116396), (7420, 87297), (7791, 83140), (8314, 77910), (10388, 62355), (11130, 58198), (12471, 51940), (12985, 49884), (15582, 41570), (16628, 38955), (20785, 31164), (22260, 29099), (24942, 25970)]