138612780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24841}}^1$

素因数の和:24887

約数の個数: 72

約数和(自身を含む): 434039424

約数和(自身を除く): 295426644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 24841, 49682, 74523, 99364, 124205, 149046, 223569, 248410, 298092, 372615, 447138, 496820, 745230, 770071, 894276, 1117845, 1490460, 1540142, 2235690, 2310213, 3080284, 3850355, 4471380, 4620426, 6930639, 7700710, 9240852, 11551065, 13861278, 15401420, 23102130, 27722556, 34653195, 46204260, 69306390, 138612780]

約数ペア:

[(1, 138612780), (2, 69306390), (3, 46204260), (4, 34653195), (5, 27722556), (6, 23102130), (9, 15401420), (10, 13861278), (12, 11551065), (15, 9240852), (18, 7700710), (20, 6930639), (30, 4620426), (31, 4471380), (36, 3850355), (45, 3080284), (60, 2310213), (62, 2235690), (90, 1540142), (93, 1490460), (124, 1117845), (155, 894276), (180, 770071), (186, 745230), (279, 496820), (310, 447138), (372, 372615), (465, 298092), (558, 248410), (620, 223569), (930, 149046), (1116, 124205), (1395, 99364), (1860, 74523), (2790, 49682), (5580, 24841)]