2115720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{653}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 7122060

約数和(自身を除く): 5006340

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 653, 810, 1080, 1306, 1620, 1959, 2612, 3240, 3265, 3918, 5224, 5877, 6530, 7836, 9795, 11754, 13060, 15672, 17631, 19590, 23508, 26120, 29385, 35262, 39180, 47016, 52893, 58770, 70524, 78360, 88155, 105786, 117540, 141048, 176310, 211572, 235080, 264465, 352620, 423144, 528930, 705240, 1057860, 2115720]

約数ペア:

[(1, 2115720), (2, 1057860), (3, 705240), (4, 528930), (5, 423144), (6, 352620), (8, 264465), (9, 235080), (10, 211572), (12, 176310), (15, 141048), (18, 117540), (20, 105786), (24, 88155), (27, 78360), (30, 70524), (36, 58770), (40, 52893), (45, 47016), (54, 39180), (60, 35262), (72, 29385), (81, 26120), (90, 23508), (108, 19590), (120, 17631), (135, 15672), (162, 13060), (180, 11754), (216, 9795), (270, 7836), (324, 6530), (360, 5877), (405, 5224), (540, 3918), (648, 3265), (653, 3240), (810, 2612), (1080, 1959), (1306, 1620)]