818187660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2952

約数の個数: 144

約数和(自身を含む): 2609102496

約数和(自身を除く): 1790914836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 333, 370, 387, 430, 444, 516, 555, 645, 666, 740, 774, 860, 1110, 1290, 1332, 1548, 1591, 1665, 1935, 2220, 2580, 2857, 3182, 3330, 3870, 4773, 5714, 6364, 6660, 7740, 7955, 8571, 9546, 11428, 14285, 14319, 15910, 17142, 19092, 23865, 25713, 28570, 28638, 31820, 34284, 42855, 47730, 51426, 57140, 57276, 71595, 85710, 95460, 102852, 105709, 122851, 128565, 143190, 171420, 211418, 245702, 257130, 286380, 317127, 368553, 422836, 491404, 514260, 528545, 614255, 634254, 737106, 951381, 1057090, 1105659, 1228510, 1268508, 1474212, 1585635, 1842765, 1902762, 2114180, 2211318, 2457020, 3171270, 3685530, 3805524, 4422636, 4545487, 4756905, 5528295, 6342540, 7371060, 9090974, 9513810, 11056590, 13636461, 18181948, 19027620, 22113180, 22727435, 27272922, 40909383, 45454870, 54545844, 68182305, 81818766, 90909740, 136364610, 163637532, 204546915, 272729220, 409093830, 818187660]

約数ペア:

[(1, 818187660), (2, 409093830), (3, 272729220), (4, 204546915), (5, 163637532), (6, 136364610), (9, 90909740), (10, 81818766), (12, 68182305), (15, 54545844), (18, 45454870), (20, 40909383), (30, 27272922), (36, 22727435), (37, 22113180), (43, 19027620), (45, 18181948), (60, 13636461), (74, 11056590), (86, 9513810), (90, 9090974), (111, 7371060), (129, 6342540), (148, 5528295), (172, 4756905), (180, 4545487), (185, 4422636), (215, 3805524), (222, 3685530), (258, 3171270), (333, 2457020), (370, 2211318), (387, 2114180), (430, 1902762), (444, 1842765), (516, 1585635), (555, 1474212), (645, 1268508), (666, 1228510), (740, 1105659), (774, 1057090), (860, 951381), (1110, 737106), (1290, 634254), (1332, 614255), (1548, 528545), (1591, 514260), (1665, 491404), (1935, 422836), (2220, 368553), (2580, 317127), (2857, 286380), (3182, 257130), (3330, 245702), (3870, 211418), (4773, 171420), (5714, 143190), (6364, 128565), (6660, 122851), (7740, 105709), (7955, 102852), (8571, 95460), (9546, 85710), (11428, 71595), (14285, 57276), (14319, 57140), (15910, 51426), (17142, 47730), (19092, 42855), (23865, 34284), (25713, 31820), (28570, 28638)]