78867180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1256

約数の個数: 144

約数和(自身を含む): 278800704

約数和(自身を除く): 199933524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1181, 1260, 1484, 1590, 1855, 1908, 2226, 2362, 2385, 3180, 3339, 3543, 3710, 4452, 4724, 4770, 5565, 5905, 6678, 7086, 7420, 8267, 9540, 10629, 11130, 11810, 13356, 14172, 16534, 16695, 17715, 21258, 22260, 23620, 24801, 33068, 33390, 35430, 41335, 42516, 49602, 53145, 62593, 66780, 70860, 74403, 82670, 99204, 106290, 124005, 125186, 148806, 165340, 187779, 212580, 248010, 250372, 297612, 312965, 372015, 375558, 438151, 496020, 563337, 625930, 744030, 751116, 876302, 938895, 1126674, 1251860, 1314453, 1488060, 1752604, 1877790, 2190755, 2253348, 2628906, 2816685, 3755580, 3943359, 4381510, 5257812, 5633370, 6572265, 7886718, 8763020, 11266740, 13144530, 15773436, 19716795, 26289060, 39433590, 78867180]

約数ペア:

[(1, 78867180), (2, 39433590), (3, 26289060), (4, 19716795), (5, 15773436), (6, 13144530), (7, 11266740), (9, 8763020), (10, 7886718), (12, 6572265), (14, 5633370), (15, 5257812), (18, 4381510), (20, 3943359), (21, 3755580), (28, 2816685), (30, 2628906), (35, 2253348), (36, 2190755), (42, 1877790), (45, 1752604), (53, 1488060), (60, 1314453), (63, 1251860), (70, 1126674), (84, 938895), (90, 876302), (105, 751116), (106, 744030), (126, 625930), (140, 563337), (159, 496020), (180, 438151), (210, 375558), (212, 372015), (252, 312965), (265, 297612), (315, 250372), (318, 248010), (371, 212580), (420, 187779), (477, 165340), (530, 148806), (630, 125186), (636, 124005), (742, 106290), (795, 99204), (954, 82670), (1060, 74403), (1113, 70860), (1181, 66780), (1260, 62593), (1484, 53145), (1590, 49602), (1855, 42516), (1908, 41335), (2226, 35430), (2362, 33390), (2385, 33068), (3180, 24801), (3339, 23620), (3543, 22260), (3710, 21258), (4452, 17715), (4724, 16695), (4770, 16534), (5565, 14172), (5905, 13356), (6678, 11810), (7086, 11130), (7420, 10629), (8267, 9540)]