253596840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{301901}}^1$

素因数の和:301922

約数の個数: 64

約数和(自身を含む): 869477760

約数和(自身を除く): 615880920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 301901, 603802, 905703, 1207604, 1509505, 1811406, 2113307, 2415208, 3019010, 3622812, 4226614, 4528515, 6038020, 6339921, 7245624, 8453228, 9057030, 10566535, 12076040, 12679842, 16906456, 18114060, 21133070, 25359684, 31699605, 36228120, 42266140, 50719368, 63399210, 84532280, 126798420, 253596840]

約数ペア:

[(1, 253596840), (2, 126798420), (3, 84532280), (4, 63399210), (5, 50719368), (6, 42266140), (7, 36228120), (8, 31699605), (10, 25359684), (12, 21133070), (14, 18114060), (15, 16906456), (20, 12679842), (21, 12076040), (24, 10566535), (28, 9057030), (30, 8453228), (35, 7245624), (40, 6339921), (42, 6038020), (56, 4528515), (60, 4226614), (70, 3622812), (84, 3019010), (105, 2415208), (120, 2113307), (140, 1811406), (168, 1509505), (210, 1207604), (280, 905703), (420, 603802), (840, 301901)]