85211560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9817}}^1$

素因数の和:9866

約数の個数: 64

約数和(自身を含む): 226206720

約数和(自身を除く): 140995160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9817, 19634, 39268, 49085, 68719, 78536, 98170, 137438, 196340, 274876, 304327, 343595, 392680, 549752, 608654, 687190, 1217308, 1374380, 1521635, 2130289, 2434616, 2748760, 3043270, 4260578, 6086540, 8521156, 10651445, 12173080, 17042312, 21302890, 42605780, 85211560]

約数ペア:

[(1, 85211560), (2, 42605780), (4, 21302890), (5, 17042312), (7, 12173080), (8, 10651445), (10, 8521156), (14, 6086540), (20, 4260578), (28, 3043270), (31, 2748760), (35, 2434616), (40, 2130289), (56, 1521635), (62, 1374380), (70, 1217308), (124, 687190), (140, 608654), (155, 549752), (217, 392680), (248, 343595), (280, 304327), (310, 274876), (434, 196340), (620, 137438), (868, 98170), (1085, 78536), (1240, 68719), (1736, 49085), (2170, 39268), (4340, 19634), (8680, 9817)]