40489380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11839}}^1$

素因数の和:11873

約数の個数: 72

約数和(自身を含む): 129292800

約数和(自身を除く): 88803420

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, 11839, 23678, 35517, 47356, 59195, 71034, 106551, 118390, 142068, 177585, 213102, 224941, 236780, 355170, 426204, 449882, 532755, 674823, 710340, 899764, 1065510, 1124705, 1349646, 2024469, 2131020, 2249410, 2699292, 3374115, 4048938, 4498820, 6748230, 8097876, 10122345, 13496460, 20244690, 40489380]

約数ペア:

[(1, 40489380), (2, 20244690), (3, 13496460), (4, 10122345), (5, 8097876), (6, 6748230), (9, 4498820), (10, 4048938), (12, 3374115), (15, 2699292), (18, 2249410), (19, 2131020), (20, 2024469), (30, 1349646), (36, 1124705), (38, 1065510), (45, 899764), (57, 710340), (60, 674823), (76, 532755), (90, 449882), (95, 426204), (114, 355170), (171, 236780), (180, 224941), (190, 213102), (228, 177585), (285, 142068), (342, 118390), (380, 106551), (570, 71034), (684, 59195), (855, 47356), (1140, 35517), (1710, 23678), (3420, 11839)]