51564660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17539}}^1$

素因数の和:17565

約数の個数: 72

約数和(自身を含む): 167963040

約数和(自身を除く): 116398380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 17539, 35078, 52617, 70156, 87695, 105234, 122773, 175390, 210468, 245546, 263085, 350780, 368319, 491092, 526170, 613865, 736638, 859411, 1052340, 1227730, 1473276, 1718822, 1841595, 2455460, 2578233, 3437644, 3683190, 4297055, 5156466, 7366380, 8594110, 10312932, 12891165, 17188220, 25782330, 51564660]

約数ペア:

[(1, 51564660), (2, 25782330), (3, 17188220), (4, 12891165), (5, 10312932), (6, 8594110), (7, 7366380), (10, 5156466), (12, 4297055), (14, 3683190), (15, 3437644), (20, 2578233), (21, 2455460), (28, 1841595), (30, 1718822), (35, 1473276), (42, 1227730), (49, 1052340), (60, 859411), (70, 736638), (84, 613865), (98, 526170), (105, 491092), (140, 368319), (147, 350780), (196, 263085), (210, 245546), (245, 210468), (294, 175390), (420, 122773), (490, 105234), (588, 87695), (735, 70156), (980, 52617), (1470, 35078), (2940, 17539)]