86797980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 275037840

約数和(自身を除く): 188239860

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, 262, 270, 324, 393, 405, 409, 524, 540, 655, 786, 810, 818, 1179, 1227, 1310, 1572, 1620, 1636, 1965, 2045, 2358, 2454, 2620, 3537, 3681, 3930, 4090, 4716, 4908, 5895, 6135, 7074, 7362, 7860, 8180, 10611, 11043, 11790, 12270, 14148, 14724, 17685, 18405, 21222, 22086, 23580, 24540, 33129, 35370, 36810, 42444, 44172, 53055, 53579, 55215, 66258, 70740, 73620, 106110, 107158, 110430, 132516, 160737, 165645, 212220, 214316, 220860, 267895, 321474, 331290, 482211, 535790, 642948, 662580, 803685, 964422, 1071580, 1446633, 1607370, 1928844, 2411055, 2893266, 3214740, 4339899, 4822110, 5786532, 7233165, 8679798, 9644220, 14466330, 17359596, 21699495, 28932660, 43398990, 86797980]

約数ペア:

[(1, 86797980), (2, 43398990), (3, 28932660), (4, 21699495), (5, 17359596), (6, 14466330), (9, 9644220), (10, 8679798), (12, 7233165), (15, 5786532), (18, 4822110), (20, 4339899), (27, 3214740), (30, 2893266), (36, 2411055), (45, 1928844), (54, 1607370), (60, 1446633), (81, 1071580), (90, 964422), (108, 803685), (131, 662580), (135, 642948), (162, 535790), (180, 482211), (262, 331290), (270, 321474), (324, 267895), (393, 220860), (405, 214316), (409, 212220), (524, 165645), (540, 160737), (655, 132516), (786, 110430), (810, 107158), (818, 106110), (1179, 73620), (1227, 70740), (1310, 66258), (1572, 55215), (1620, 53579), (1636, 53055), (1965, 44172), (2045, 42444), (2358, 36810), (2454, 35370), (2620, 33129), (3537, 24540), (3681, 23580), (3930, 22086), (4090, 21222), (4716, 18405), (4908, 17685), (5895, 14724), (6135, 14148), (7074, 12270), (7362, 11790), (7860, 11043), (8180, 10611)]