79054020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1019}}^1$

素因数の和:1465

約数の個数: 72

約数和(自身を含む): 240589440

約数和(自身を除く): 161535420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1019, 1293, 1724, 2038, 2155, 2586, 3057, 3879, 4076, 4310, 5095, 5172, 6114, 6465, 7758, 8620, 9171, 10190, 12228, 12930, 15285, 15516, 18342, 19395, 20380, 25860, 30570, 36684, 38790, 45855, 61140, 77580, 91710, 183420, 439189, 878378, 1317567, 1756756, 2195945, 2635134, 3952701, 4391890, 5270268, 6587835, 7905402, 8783780, 13175670, 15810804, 19763505, 26351340, 39527010, 79054020]

約数ペア:

[(1, 79054020), (2, 39527010), (3, 26351340), (4, 19763505), (5, 15810804), (6, 13175670), (9, 8783780), (10, 7905402), (12, 6587835), (15, 5270268), (18, 4391890), (20, 3952701), (30, 2635134), (36, 2195945), (45, 1756756), (60, 1317567), (90, 878378), (180, 439189), (431, 183420), (862, 91710), (1019, 77580), (1293, 61140), (1724, 45855), (2038, 38790), (2155, 36684), (2586, 30570), (3057, 25860), (3879, 20380), (4076, 19395), (4310, 18342), (5095, 15516), (5172, 15285), (6114, 12930), (6465, 12228), (7758, 10190), (8620, 9171)]