61810280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7121}}^1$

素因数の和:7170

約数の個数: 64

約数和(自身を含む): 164090880

約数和(自身を除く): 102280600

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, 7121, 8680, 14242, 28484, 35605, 49847, 56968, 71210, 99694, 142420, 199388, 220751, 249235, 284840, 398776, 441502, 498470, 883004, 996940, 1103755, 1545257, 1766008, 1993880, 2207510, 3090514, 4415020, 6181028, 7726285, 8830040, 12362056, 15452570, 30905140, 61810280]

約数ペア:

[(1, 61810280), (2, 30905140), (4, 15452570), (5, 12362056), (7, 8830040), (8, 7726285), (10, 6181028), (14, 4415020), (20, 3090514), (28, 2207510), (31, 1993880), (35, 1766008), (40, 1545257), (56, 1103755), (62, 996940), (70, 883004), (124, 498470), (140, 441502), (155, 398776), (217, 284840), (248, 249235), (280, 220751), (310, 199388), (434, 142420), (620, 99694), (868, 71210), (1085, 56968), (1240, 49847), (1736, 35605), (2170, 28484), (4340, 14242), (7121, 8680)]