128548140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{727}}^1$

素因数の和:1167

約数の個数: 96

約数和(自身を含む): 412898304

約数和(自身を除く): 284350164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 421, 727, 842, 1263, 1454, 1684, 2105, 2181, 2526, 2908, 2947, 3635, 4210, 4362, 5052, 5089, 5894, 6315, 7270, 8420, 8724, 8841, 10178, 10905, 11788, 12630, 14540, 14735, 15267, 17682, 20356, 21810, 25260, 25445, 29470, 30534, 35364, 43620, 44205, 50890, 58940, 61068, 76335, 88410, 101780, 152670, 176820, 305340, 306067, 612134, 918201, 1224268, 1530335, 1836402, 2142469, 3060670, 3672804, 4284938, 4591005, 6121340, 6427407, 8569876, 9182010, 10712345, 12854814, 18364020, 21424690, 25709628, 32137035, 42849380, 64274070, 128548140]

約数ペア:

[(1, 128548140), (2, 64274070), (3, 42849380), (4, 32137035), (5, 25709628), (6, 21424690), (7, 18364020), (10, 12854814), (12, 10712345), (14, 9182010), (15, 8569876), (20, 6427407), (21, 6121340), (28, 4591005), (30, 4284938), (35, 3672804), (42, 3060670), (60, 2142469), (70, 1836402), (84, 1530335), (105, 1224268), (140, 918201), (210, 612134), (420, 306067), (421, 305340), (727, 176820), (842, 152670), (1263, 101780), (1454, 88410), (1684, 76335), (2105, 61068), (2181, 58940), (2526, 50890), (2908, 44205), (2947, 43620), (3635, 35364), (4210, 30534), (4362, 29470), (5052, 25445), (5089, 25260), (5894, 21810), (6315, 20356), (7270, 17682), (8420, 15267), (8724, 14735), (8841, 14540), (10178, 12630), (10905, 11788)]