261829680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{155851}}^1$

素因数の和:155874

約数の個数: 80

約数和(自身を含む): 927631104

約数和(自身を除く): 665801424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 155851, 311702, 467553, 623404, 779255, 935106, 1090957, 1246808, 1558510, 1870212, 2181914, 2337765, 2493616, 3117020, 3272871, 3740424, 4363828, 4675530, 5454785, 6234040, 6545742, 7480848, 8727656, 9351060, 10909570, 12468080, 13091484, 16364355, 17455312, 18702120, 21819140, 26182968, 32728710, 37404240, 43638280, 52365936, 65457420, 87276560, 130914840, 261829680]

約数ペア:

[(1, 261829680), (2, 130914840), (3, 87276560), (4, 65457420), (5, 52365936), (6, 43638280), (7, 37404240), (8, 32728710), (10, 26182968), (12, 21819140), (14, 18702120), (15, 17455312), (16, 16364355), (20, 13091484), (21, 12468080), (24, 10909570), (28, 9351060), (30, 8727656), (35, 7480848), (40, 6545742), (42, 6234040), (48, 5454785), (56, 4675530), (60, 4363828), (70, 3740424), (80, 3272871), (84, 3117020), (105, 2493616), (112, 2337765), (120, 2181914), (140, 1870212), (168, 1558510), (210, 1246808), (240, 1090957), (280, 935106), (336, 779255), (420, 623404), (560, 467553), (840, 311702), (1680, 155851)]