685205820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1132

約数の個数: 144

約数和(自身を含む): 2246785632

約数和(自身を除く): 1561579812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 443, 468, 585, 661, 780, 886, 1170, 1322, 1329, 1772, 1983, 2215, 2340, 2644, 2658, 3305, 3966, 3987, 4430, 5316, 5759, 5949, 6610, 6645, 7932, 7974, 8593, 8860, 9915, 11518, 11898, 13220, 13290, 15948, 17186, 17277, 19830, 19935, 23036, 23796, 25779, 26580, 28795, 29745, 34372, 34554, 39660, 39870, 42965, 51558, 51831, 57590, 59490, 69108, 77337, 79740, 85930, 86385, 103116, 103662, 115180, 118980, 128895, 154674, 171860, 172770, 207324, 257790, 259155, 292823, 309348, 345540, 386685, 515580, 518310, 585646, 773370, 878469, 1036620, 1171292, 1464115, 1546740, 1756938, 2635407, 2928230, 3513876, 3806699, 4392345, 5270814, 5856460, 7613398, 8784690, 10541628, 11420097, 13177035, 15226796, 17569380, 19033495, 22840194, 26354070, 34260291, 38066990, 45680388, 52708140, 57100485, 68520582, 76133980, 114200970, 137041164, 171301455, 228401940, 342602910, 685205820]

約数ペア:

[(1, 685205820), (2, 342602910), (3, 228401940), (4, 171301455), (5, 137041164), (6, 114200970), (9, 76133980), (10, 68520582), (12, 57100485), (13, 52708140), (15, 45680388), (18, 38066990), (20, 34260291), (26, 26354070), (30, 22840194), (36, 19033495), (39, 17569380), (45, 15226796), (52, 13177035), (60, 11420097), (65, 10541628), (78, 8784690), (90, 7613398), (117, 5856460), (130, 5270814), (156, 4392345), (180, 3806699), (195, 3513876), (234, 2928230), (260, 2635407), (390, 1756938), (443, 1546740), (468, 1464115), (585, 1171292), (661, 1036620), (780, 878469), (886, 773370), (1170, 585646), (1322, 518310), (1329, 515580), (1772, 386685), (1983, 345540), (2215, 309348), (2340, 292823), (2644, 259155), (2658, 257790), (3305, 207324), (3966, 172770), (3987, 171860), (4430, 154674), (5316, 128895), (5759, 118980), (5949, 115180), (6610, 103662), (6645, 103116), (7932, 86385), (7974, 85930), (8593, 79740), (8860, 77337), (9915, 69108), (11518, 59490), (11898, 57590), (13220, 51831), (13290, 51558), (15948, 42965), (17186, 39870), (17277, 39660), (19830, 34554), (19935, 34372), (23036, 29745), (23796, 28795), (25779, 26580)]