15660890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 33882624

約数和(自身を除く): 18221734

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1031, 1085, 1519, 2062, 2170, 3038, 5155, 7217, 7595, 10310, 14434, 15190, 31961, 36085, 50519, 63922, 72170, 101038, 159805, 223727, 252595, 319610, 447454, 505190, 1118635, 1566089, 2237270, 3132178, 7830445, 15660890]

約数ペア:

[(1, 15660890), (2, 7830445), (5, 3132178), (7, 2237270), (10, 1566089), (14, 1118635), (31, 505190), (35, 447454), (49, 319610), (62, 252595), (70, 223727), (98, 159805), (155, 101038), (217, 72170), (245, 63922), (310, 50519), (434, 36085), (490, 31961), (1031, 15190), (1085, 14434), (1519, 10310), (2062, 7595), (2170, 7217), (3038, 5155)]