520075840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 1293327360

約数和(自身を除く): 773251520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 155, 160, 206, 248, 310, 320, 412, 496, 509, 515, 620, 824, 992, 1018, 1030, 1240, 1648, 1984, 2036, 2060, 2480, 2545, 3193, 3296, 4072, 4120, 4960, 5090, 6386, 6592, 8144, 8240, 9920, 10180, 12772, 15779, 15965, 16288, 16480, 20360, 25544, 31558, 31930, 32576, 32960, 40720, 51088, 52427, 63116, 63860, 78895, 81440, 102176, 104854, 126232, 127720, 157790, 162880, 204352, 209708, 252464, 255440, 262135, 315580, 419416, 504928, 510880, 524270, 631160, 838832, 1009856, 1021760, 1048540, 1262320, 1625237, 1677664, 2097080, 2524640, 3250474, 3355328, 4194160, 5049280, 6500948, 8126185, 8388320, 13001896, 16252370, 16776640, 26003792, 32504740, 52007584, 65009480, 104015168, 130018960, 260037920, 520075840]

約数ペア:

[(1, 520075840), (2, 260037920), (4, 130018960), (5, 104015168), (8, 65009480), (10, 52007584), (16, 32504740), (20, 26003792), (31, 16776640), (32, 16252370), (40, 13001896), (62, 8388320), (64, 8126185), (80, 6500948), (103, 5049280), (124, 4194160), (155, 3355328), (160, 3250474), (206, 2524640), (248, 2097080), (310, 1677664), (320, 1625237), (412, 1262320), (496, 1048540), (509, 1021760), (515, 1009856), (620, 838832), (824, 631160), (992, 524270), (1018, 510880), (1030, 504928), (1240, 419416), (1648, 315580), (1984, 262135), (2036, 255440), (2060, 252464), (2480, 209708), (2545, 204352), (3193, 162880), (3296, 157790), (4072, 127720), (4120, 126232), (4960, 104854), (5090, 102176), (6386, 81440), (6592, 78895), (8144, 63860), (8240, 63116), (9920, 52427), (10180, 51088), (12772, 40720), (15779, 32960), (15965, 32576), (16288, 31930), (16480, 31558), (20360, 25544)]