138902640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1289}}^1$

素因数の和:1754

約数の個数: 80

約数和(自身を含む): 431892000

約数和(自身を除く): 292989360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 449, 898, 1289, 1347, 1796, 2245, 2578, 2694, 3592, 3867, 4490, 5156, 5388, 6445, 6735, 7184, 7734, 8980, 10312, 10776, 12890, 13470, 15468, 17960, 19335, 20624, 21552, 25780, 26940, 30936, 35920, 38670, 51560, 53880, 61872, 77340, 103120, 107760, 154680, 309360, 578761, 1157522, 1736283, 2315044, 2893805, 3472566, 4630088, 5787610, 6945132, 8681415, 9260176, 11575220, 13890264, 17362830, 23150440, 27780528, 34725660, 46300880, 69451320, 138902640]

約数ペア:

[(1, 138902640), (2, 69451320), (3, 46300880), (4, 34725660), (5, 27780528), (6, 23150440), (8, 17362830), (10, 13890264), (12, 11575220), (15, 9260176), (16, 8681415), (20, 6945132), (24, 5787610), (30, 4630088), (40, 3472566), (48, 2893805), (60, 2315044), (80, 1736283), (120, 1157522), (240, 578761), (449, 309360), (898, 154680), (1289, 107760), (1347, 103120), (1796, 77340), (2245, 61872), (2578, 53880), (2694, 51560), (3592, 38670), (3867, 35920), (4490, 30936), (5156, 26940), (5388, 25780), (6445, 21552), (6735, 20624), (7184, 19335), (7734, 17960), (8980, 15468), (10312, 13470), (10776, 12890)]