18255780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 40288860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 191, 236, 270, 295, 324, 354, 382, 405, 531, 540, 573, 590, 708, 764, 810, 885, 955, 1062, 1146, 1180, 1593, 1620, 1719, 1770, 1910, 2124, 2292, 2655, 2865, 3186, 3438, 3540, 3820, 4779, 5157, 5310, 5730, 6372, 6876, 7965, 8595, 9558, 10314, 10620, 11269, 11460, 15471, 15930, 17190, 19116, 20628, 22538, 23895, 25785, 30942, 31860, 33807, 34380, 45076, 47790, 51570, 56345, 61884, 67614, 77355, 95580, 101421, 103140, 112690, 135228, 154710, 169035, 202842, 225380, 304263, 309420, 338070, 405684, 507105, 608526, 676140, 912789, 1014210, 1217052, 1521315, 1825578, 2028420, 3042630, 3651156, 4563945, 6085260, 9127890, 18255780]

約数ペア:

[(1, 18255780), (2, 9127890), (3, 6085260), (4, 4563945), (5, 3651156), (6, 3042630), (9, 2028420), (10, 1825578), (12, 1521315), (15, 1217052), (18, 1014210), (20, 912789), (27, 676140), (30, 608526), (36, 507105), (45, 405684), (54, 338070), (59, 309420), (60, 304263), (81, 225380), (90, 202842), (108, 169035), (118, 154710), (135, 135228), (162, 112690), (177, 103140), (180, 101421), (191, 95580), (236, 77355), (270, 67614), (295, 61884), (324, 56345), (354, 51570), (382, 47790), (405, 45076), (531, 34380), (540, 33807), (573, 31860), (590, 30942), (708, 25785), (764, 23895), (810, 22538), (885, 20628), (955, 19116), (1062, 17190), (1146, 15930), (1180, 15471), (1593, 11460), (1620, 11269), (1719, 10620), (1770, 10314), (1910, 9558), (2124, 8595), (2292, 7965), (2655, 6876), (2865, 6372), (3186, 5730), (3438, 5310), (3540, 5157), (3820, 4779)]