8872380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4481}}^1$

素因数の和:4507

約数の個数: 72

約数和(自身を含む): 29366064

約数和(自身を除く): 20493684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 4481, 8962, 13443, 17924, 22405, 26886, 40329, 44810, 49291, 53772, 67215, 80658, 89620, 98582, 134430, 147873, 161316, 197164, 201645, 246455, 268860, 295746, 403290, 443619, 492910, 591492, 739365, 806580, 887238, 985820, 1478730, 1774476, 2218095, 2957460, 4436190, 8872380]

約数ペア:

[(1, 8872380), (2, 4436190), (3, 2957460), (4, 2218095), (5, 1774476), (6, 1478730), (9, 985820), (10, 887238), (11, 806580), (12, 739365), (15, 591492), (18, 492910), (20, 443619), (22, 403290), (30, 295746), (33, 268860), (36, 246455), (44, 201645), (45, 197164), (55, 161316), (60, 147873), (66, 134430), (90, 98582), (99, 89620), (110, 80658), (132, 67215), (165, 53772), (180, 49291), (198, 44810), (220, 40329), (330, 26886), (396, 22405), (495, 17924), (660, 13443), (990, 8962), (1980, 4481)]