202019280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1301}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 627709824

約数和(自身を除く): 425690544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 1294, 1301, 1941, 2588, 2602, 3235, 3882, 3903, 5176, 5204, 6470, 6505, 7764, 7806, 9705, 10352, 10408, 12940, 13010, 15528, 15612, 19410, 19515, 20816, 25880, 26020, 31056, 31224, 38820, 39030, 51760, 52040, 62448, 77640, 78060, 104080, 155280, 156120, 312240, 841747, 1683494, 2525241, 3366988, 4208735, 5050482, 6733976, 8417470, 10100964, 12626205, 13467952, 16834940, 20201928, 25252410, 33669880, 40403856, 50504820, 67339760, 101009640, 202019280]

約数ペア:

[(1, 202019280), (2, 101009640), (3, 67339760), (4, 50504820), (5, 40403856), (6, 33669880), (8, 25252410), (10, 20201928), (12, 16834940), (15, 13467952), (16, 12626205), (20, 10100964), (24, 8417470), (30, 6733976), (40, 5050482), (48, 4208735), (60, 3366988), (80, 2525241), (120, 1683494), (240, 841747), (647, 312240), (1294, 156120), (1301, 155280), (1941, 104080), (2588, 78060), (2602, 77640), (3235, 62448), (3882, 52040), (3903, 51760), (5176, 39030), (5204, 38820), (6470, 31224), (6505, 31056), (7764, 26020), (7806, 25880), (9705, 20816), (10352, 19515), (10408, 19410), (12940, 15612), (13010, 15528)]