636660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{131}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 2018016

約数和(自身を除く): 1381356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 243, 262, 270, 324, 393, 405, 486, 524, 540, 655, 786, 810, 972, 1179, 1215, 1310, 1572, 1620, 1965, 2358, 2430, 2620, 3537, 3930, 4716, 4860, 5895, 7074, 7860, 10611, 11790, 14148, 17685, 21222, 23580, 31833, 35370, 42444, 53055, 63666, 70740, 106110, 127332, 159165, 212220, 318330, 636660]

約数ペア:

[(1, 636660), (2, 318330), (3, 212220), (4, 159165), (5, 127332), (6, 106110), (9, 70740), (10, 63666), (12, 53055), (15, 42444), (18, 35370), (20, 31833), (27, 23580), (30, 21222), (36, 17685), (45, 14148), (54, 11790), (60, 10611), (81, 7860), (90, 7074), (108, 5895), (131, 4860), (135, 4716), (162, 3930), (180, 3537), (243, 2620), (262, 2430), (270, 2358), (324, 1965), (393, 1620), (405, 1572), (486, 1310), (524, 1215), (540, 1179), (655, 972), (786, 810)]