681480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{631}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 2275200

約数和(自身を除く): 1593720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 631, 1080, 1262, 1893, 2524, 3155, 3786, 5048, 5679, 6310, 7572, 9465, 11358, 12620, 15144, 17037, 18930, 22716, 25240, 28395, 34074, 37860, 45432, 56790, 68148, 75720, 85185, 113580, 136296, 170370, 227160, 340740, 681480]

約数ペア:

[(1, 681480), (2, 340740), (3, 227160), (4, 170370), (5, 136296), (6, 113580), (8, 85185), (9, 75720), (10, 68148), (12, 56790), (15, 45432), (18, 37860), (20, 34074), (24, 28395), (27, 25240), (30, 22716), (36, 18930), (40, 17037), (45, 15144), (54, 12620), (60, 11358), (72, 9465), (90, 7572), (108, 6310), (120, 5679), (135, 5048), (180, 3786), (216, 3155), (270, 2524), (360, 1893), (540, 1262), (631, 1080)]