1647985140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{481867}}^1$

素因数の和:481901

約数の個数: 72

約数和(自身を含む): 5261998560

約数和(自身を除く): 3614013420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 481867, 963734, 1445601, 1927468, 2409335, 2891202, 4336803, 4818670, 5782404, 7228005, 8673606, 9155473, 9637340, 14456010, 17347212, 18310946, 21684015, 27466419, 28912020, 36621892, 43368030, 45777365, 54932838, 82399257, 86736060, 91554730, 109865676, 137332095, 164798514, 183109460, 274664190, 329597028, 411996285, 549328380, 823992570, 1647985140]

約数ペア:

[(1, 1647985140), (2, 823992570), (3, 549328380), (4, 411996285), (5, 329597028), (6, 274664190), (9, 183109460), (10, 164798514), (12, 137332095), (15, 109865676), (18, 91554730), (19, 86736060), (20, 82399257), (30, 54932838), (36, 45777365), (38, 43368030), (45, 36621892), (57, 28912020), (60, 27466419), (76, 21684015), (90, 18310946), (95, 17347212), (114, 14456010), (171, 9637340), (180, 9155473), (190, 8673606), (228, 7228005), (285, 5782404), (342, 4818670), (380, 4336803), (570, 2891202), (684, 2409335), (855, 1927468), (1140, 1445601), (1710, 963734), (3420, 481867)]