8040780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 27675648

約数和(自身を除く): 19634868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 131, 132, 155, 165, 180, 186, 198, 220, 262, 279, 310, 330, 341, 372, 393, 396, 465, 495, 524, 558, 620, 655, 660, 682, 786, 930, 990, 1023, 1116, 1179, 1310, 1364, 1395, 1441, 1572, 1705, 1860, 1965, 1980, 2046, 2358, 2620, 2790, 2882, 3069, 3410, 3930, 4061, 4092, 4323, 4716, 5115, 5580, 5764, 5895, 6138, 6820, 7205, 7860, 8122, 8646, 10230, 11790, 12183, 12276, 12969, 14410, 15345, 16244, 17292, 20305, 20460, 21615, 23580, 24366, 25938, 28820, 30690, 36549, 40610, 43230, 44671, 48732, 51876, 60915, 61380, 64845, 73098, 81220, 86460, 89342, 121830, 129690, 134013, 146196, 178684, 182745, 223355, 243660, 259380, 268026, 365490, 402039, 446710, 536052, 670065, 730980, 804078, 893420, 1340130, 1608156, 2010195, 2680260, 4020390, 8040780]

約数ペア:

[(1, 8040780), (2, 4020390), (3, 2680260), (4, 2010195), (5, 1608156), (6, 1340130), (9, 893420), (10, 804078), (11, 730980), (12, 670065), (15, 536052), (18, 446710), (20, 402039), (22, 365490), (30, 268026), (31, 259380), (33, 243660), (36, 223355), (44, 182745), (45, 178684), (55, 146196), (60, 134013), (62, 129690), (66, 121830), (90, 89342), (93, 86460), (99, 81220), (110, 73098), (124, 64845), (131, 61380), (132, 60915), (155, 51876), (165, 48732), (180, 44671), (186, 43230), (198, 40610), (220, 36549), (262, 30690), (279, 28820), (310, 25938), (330, 24366), (341, 23580), (372, 21615), (393, 20460), (396, 20305), (465, 17292), (495, 16244), (524, 15345), (558, 14410), (620, 12969), (655, 12276), (660, 12183), (682, 11790), (786, 10230), (930, 8646), (990, 8122), (1023, 7860), (1116, 7205), (1179, 6820), (1310, 6138), (1364, 5895), (1395, 5764), (1441, 5580), (1572, 5115), (1705, 4716), (1860, 4323), (1965, 4092), (1980, 4061), (2046, 3930), (2358, 3410), (2620, 3069), (2790, 2882)]