51227820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 179699520

約数和(自身を除く): 128471700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 315, 327, 373, 420, 436, 545, 630, 654, 746, 763, 981, 1090, 1119, 1260, 1308, 1492, 1526, 1635, 1865, 1962, 2180, 2238, 2289, 2611, 3052, 3270, 3357, 3730, 3815, 3924, 4476, 4578, 4905, 5222, 5595, 6540, 6714, 6867, 7460, 7630, 7833, 9156, 9810, 10444, 11190, 11445, 13055, 13428, 13734, 15260, 15666, 16785, 19620, 22380, 22890, 23499, 26110, 27468, 31332, 33570, 34335, 39165, 40657, 45780, 46998, 52220, 67140, 68670, 78330, 81314, 93996, 117495, 121971, 137340, 156660, 162628, 203285, 234990, 243942, 284599, 365913, 406570, 469980, 487884, 569198, 609855, 731826, 813140, 853797, 1138396, 1219710, 1422995, 1463652, 1707594, 1829565, 2439420, 2561391, 2845990, 3415188, 3659130, 4268985, 5122782, 5691980, 7318260, 8537970, 10245564, 12806955, 17075940, 25613910, 51227820]

約数ペア:

[(1, 51227820), (2, 25613910), (3, 17075940), (4, 12806955), (5, 10245564), (6, 8537970), (7, 7318260), (9, 5691980), (10, 5122782), (12, 4268985), (14, 3659130), (15, 3415188), (18, 2845990), (20, 2561391), (21, 2439420), (28, 1829565), (30, 1707594), (35, 1463652), (36, 1422995), (42, 1219710), (45, 1138396), (60, 853797), (63, 813140), (70, 731826), (84, 609855), (90, 569198), (105, 487884), (109, 469980), (126, 406570), (140, 365913), (180, 284599), (210, 243942), (218, 234990), (252, 203285), (315, 162628), (327, 156660), (373, 137340), (420, 121971), (436, 117495), (545, 93996), (630, 81314), (654, 78330), (746, 68670), (763, 67140), (981, 52220), (1090, 46998), (1119, 45780), (1260, 40657), (1308, 39165), (1492, 34335), (1526, 33570), (1635, 31332), (1865, 27468), (1962, 26110), (2180, 23499), (2238, 22890), (2289, 22380), (2611, 19620), (3052, 16785), (3270, 15666), (3357, 15260), (3730, 13734), (3815, 13428), (3924, 13055), (4476, 11445), (4578, 11190), (4905, 10444), (5222, 9810), (5595, 9156), (6540, 7833), (6714, 7630), (6867, 7460)]