8555580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 29484000

約数和(自身を除く): 20928420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 149, 165, 174, 180, 198, 220, 261, 290, 298, 319, 330, 348, 396, 435, 447, 495, 522, 580, 596, 638, 660, 745, 870, 894, 957, 990, 1044, 1276, 1305, 1341, 1490, 1595, 1639, 1740, 1788, 1914, 1980, 2235, 2610, 2682, 2871, 2980, 3190, 3278, 3828, 4321, 4470, 4785, 4917, 5220, 5364, 5742, 6380, 6556, 6705, 8195, 8642, 8940, 9570, 9834, 11484, 12963, 13410, 14355, 14751, 16390, 17284, 19140, 19668, 21605, 24585, 25926, 26820, 28710, 29502, 32780, 38889, 43210, 47531, 49170, 51852, 57420, 59004, 64815, 73755, 77778, 86420, 95062, 98340, 129630, 142593, 147510, 155556, 190124, 194445, 237655, 259260, 285186, 295020, 388890, 427779, 475310, 570372, 712965, 777780, 855558, 950620, 1425930, 1711116, 2138895, 2851860, 4277790, 8555580]

約数ペア:

[(1, 8555580), (2, 4277790), (3, 2851860), (4, 2138895), (5, 1711116), (6, 1425930), (9, 950620), (10, 855558), (11, 777780), (12, 712965), (15, 570372), (18, 475310), (20, 427779), (22, 388890), (29, 295020), (30, 285186), (33, 259260), (36, 237655), (44, 194445), (45, 190124), (55, 155556), (58, 147510), (60, 142593), (66, 129630), (87, 98340), (90, 95062), (99, 86420), (110, 77778), (116, 73755), (132, 64815), (145, 59004), (149, 57420), (165, 51852), (174, 49170), (180, 47531), (198, 43210), (220, 38889), (261, 32780), (290, 29502), (298, 28710), (319, 26820), (330, 25926), (348, 24585), (396, 21605), (435, 19668), (447, 19140), (495, 17284), (522, 16390), (580, 14751), (596, 14355), (638, 13410), (660, 12963), (745, 11484), (870, 9834), (894, 9570), (957, 8940), (990, 8642), (1044, 8195), (1276, 6705), (1305, 6556), (1341, 6380), (1490, 5742), (1595, 5364), (1639, 5220), (1740, 4917), (1788, 4785), (1914, 4470), (1980, 4321), (2235, 3828), (2610, 3278), (2682, 3190), (2871, 2980)]