81596760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13877}}^1$

素因数の和:13905

約数の個数: 96

約数和(自身を含む): 284776560

約数和(自身を除く): 203179800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 13877, 27754, 41631, 55508, 69385, 83262, 97139, 111016, 138770, 166524, 194278, 208155, 277540, 291417, 333048, 388556, 416310, 485695, 555080, 582834, 679973, 777112, 832620, 971390, 1165668, 1359946, 1457085, 1665240, 1942780, 2039919, 2331336, 2719892, 2914170, 3399865, 3885560, 4079838, 5439784, 5828340, 6799730, 8159676, 10199595, 11656680, 13599460, 16319352, 20399190, 27198920, 40798380, 81596760]

約数ペア:

[(1, 81596760), (2, 40798380), (3, 27198920), (4, 20399190), (5, 16319352), (6, 13599460), (7, 11656680), (8, 10199595), (10, 8159676), (12, 6799730), (14, 5828340), (15, 5439784), (20, 4079838), (21, 3885560), (24, 3399865), (28, 2914170), (30, 2719892), (35, 2331336), (40, 2039919), (42, 1942780), (49, 1665240), (56, 1457085), (60, 1359946), (70, 1165668), (84, 971390), (98, 832620), (105, 777112), (120, 679973), (140, 582834), (147, 555080), (168, 485695), (196, 416310), (210, 388556), (245, 333048), (280, 291417), (294, 277540), (392, 208155), (420, 194278), (490, 166524), (588, 138770), (735, 111016), (840, 97139), (980, 83262), (1176, 69385), (1470, 55508), (1960, 41631), (2940, 27754), (5880, 13877)]