130018960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 315694080

約数和(自身を除く): 185675120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 496, 509, 515, 620, 824, 1018, 1030, 1240, 1648, 2036, 2060, 2480, 2545, 3193, 4072, 4120, 5090, 6386, 8144, 8240, 10180, 12772, 15779, 15965, 20360, 25544, 31558, 31930, 40720, 51088, 52427, 63116, 63860, 78895, 104854, 126232, 127720, 157790, 209708, 252464, 255440, 262135, 315580, 419416, 524270, 631160, 838832, 1048540, 1262320, 1625237, 2097080, 3250474, 4194160, 6500948, 8126185, 13001896, 16252370, 26003792, 32504740, 65009480, 130018960]

約数ペア:

[(1, 130018960), (2, 65009480), (4, 32504740), (5, 26003792), (8, 16252370), (10, 13001896), (16, 8126185), (20, 6500948), (31, 4194160), (40, 3250474), (62, 2097080), (80, 1625237), (103, 1262320), (124, 1048540), (155, 838832), (206, 631160), (248, 524270), (310, 419416), (412, 315580), (496, 262135), (509, 255440), (515, 252464), (620, 209708), (824, 157790), (1018, 127720), (1030, 126232), (1240, 104854), (1648, 78895), (2036, 63860), (2060, 63116), (2480, 52427), (2545, 51088), (3193, 40720), (4072, 31930), (4120, 31558), (5090, 25544), (6386, 20360), (8144, 15965), (8240, 15779), (10180, 12772)]