721825260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1103}}^1$

素因数の和:1967

約数の個数: 96

約数和(自身を含む): 2181150720

約数和(自身を除く): 1459325460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 839, 1103, 1678, 2206, 2517, 3309, 3356, 4195, 4412, 5034, 5515, 6618, 8390, 10068, 10907, 11030, 12585, 13236, 14339, 16545, 16780, 21814, 22060, 25170, 28678, 32721, 33090, 43017, 43628, 50340, 54535, 57356, 65442, 66180, 71695, 86034, 109070, 130884, 143390, 163605, 172068, 215085, 218140, 286780, 327210, 430170, 654420, 860340, 925417, 1850834, 2776251, 3701668, 4627085, 5552502, 9254170, 11105004, 12030421, 13881255, 18508340, 24060842, 27762510, 36091263, 48121684, 55525020, 60152105, 72182526, 120304210, 144365052, 180456315, 240608420, 360912630, 721825260]

約数ペア:

[(1, 721825260), (2, 360912630), (3, 240608420), (4, 180456315), (5, 144365052), (6, 120304210), (10, 72182526), (12, 60152105), (13, 55525020), (15, 48121684), (20, 36091263), (26, 27762510), (30, 24060842), (39, 18508340), (52, 13881255), (60, 12030421), (65, 11105004), (78, 9254170), (130, 5552502), (156, 4627085), (195, 3701668), (260, 2776251), (390, 1850834), (780, 925417), (839, 860340), (1103, 654420), (1678, 430170), (2206, 327210), (2517, 286780), (3309, 218140), (3356, 215085), (4195, 172068), (4412, 163605), (5034, 143390), (5515, 130884), (6618, 109070), (8390, 86034), (10068, 71695), (10907, 66180), (11030, 65442), (12585, 57356), (13236, 54535), (14339, 50340), (16545, 43628), (16780, 43017), (21814, 33090), (22060, 32721), (25170, 28678)]