77712720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{323803}}^1$

素因数の和:323819

約数の個数: 40

約数和(自身を含む): 240910176

約数和(自身を除く): 163197456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 323803, 647606, 971409, 1295212, 1619015, 1942818, 2590424, 3238030, 3885636, 4857045, 5180848, 6476060, 7771272, 9714090, 12952120, 15542544, 19428180, 25904240, 38856360, 77712720]

約数ペア:

[(1, 77712720), (2, 38856360), (3, 25904240), (4, 19428180), (5, 15542544), (6, 12952120), (8, 9714090), (10, 7771272), (12, 6476060), (15, 5180848), (16, 4857045), (20, 3885636), (24, 3238030), (30, 2590424), (40, 1942818), (48, 1619015), (60, 1295212), (80, 971409), (120, 647606), (240, 323803)]