87154020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15619}}^1$

素因数の和:15665

約数の個数: 72

約数和(自身を含む): 272912640

約数和(自身を除く): 185758620

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, 15619, 31238, 46857, 62476, 78095, 93714, 140571, 156190, 187428, 234285, 281142, 312380, 468570, 484189, 562284, 702855, 937140, 968378, 1405710, 1452567, 1936756, 2420945, 2811420, 2905134, 4357701, 4841890, 5810268, 7262835, 8715402, 9683780, 14525670, 17430804, 21788505, 29051340, 43577010, 87154020]

約数ペア:

[(1, 87154020), (2, 43577010), (3, 29051340), (4, 21788505), (5, 17430804), (6, 14525670), (9, 9683780), (10, 8715402), (12, 7262835), (15, 5810268), (18, 4841890), (20, 4357701), (30, 2905134), (31, 2811420), (36, 2420945), (45, 1936756), (60, 1452567), (62, 1405710), (90, 968378), (93, 937140), (124, 702855), (155, 562284), (180, 484189), (186, 468570), (279, 312380), (310, 281142), (372, 234285), (465, 187428), (558, 156190), (620, 140571), (930, 93714), (1116, 78095), (1395, 62476), (1860, 46857), (2790, 31238), (5580, 15619)]