278890680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{80141}}^1$

素因数の和:80184

約数の個数: 64

約数和(自身を含む): 865533600

約数和(自身を除く): 586642920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 80141, 160282, 240423, 320564, 400705, 480846, 641128, 801410, 961692, 1202115, 1602820, 1923384, 2324089, 2404230, 3205640, 4648178, 4808460, 6972267, 9296356, 9616920, 11620445, 13944534, 18592712, 23240890, 27889068, 34861335, 46481780, 55778136, 69722670, 92963560, 139445340, 278890680]

約数ペア:

[(1, 278890680), (2, 139445340), (3, 92963560), (4, 69722670), (5, 55778136), (6, 46481780), (8, 34861335), (10, 27889068), (12, 23240890), (15, 18592712), (20, 13944534), (24, 11620445), (29, 9616920), (30, 9296356), (40, 6972267), (58, 4808460), (60, 4648178), (87, 3205640), (116, 2404230), (120, 2324089), (145, 1923384), (174, 1602820), (232, 1202115), (290, 961692), (348, 801410), (435, 641128), (580, 480846), (696, 400705), (870, 320564), (1160, 240423), (1740, 160282), (3480, 80141)]