77890980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31663}}^1$

素因数の和:31716

約数の個数: 48

約数和(自身を含む): 223421184

約数和(自身を除く): 145530204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 31663, 63326, 94989, 126652, 158315, 189978, 316630, 379956, 474945, 633260, 949890, 1298183, 1899780, 2596366, 3894549, 5192732, 6490915, 7789098, 12981830, 15578196, 19472745, 25963660, 38945490, 77890980]

約数ペア:

[(1, 77890980), (2, 38945490), (3, 25963660), (4, 19472745), (5, 15578196), (6, 12981830), (10, 7789098), (12, 6490915), (15, 5192732), (20, 3894549), (30, 2596366), (41, 1899780), (60, 1298183), (82, 949890), (123, 633260), (164, 474945), (205, 379956), (246, 316630), (410, 189978), (492, 158315), (615, 126652), (820, 94989), (1230, 63326), (2460, 31663)]