168142840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 388100160

約数和(自身を除く): 219957320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 244, 274, 305, 488, 503, 548, 610, 685, 1006, 1096, 1220, 1370, 2012, 2440, 2515, 2740, 4024, 5030, 5480, 8357, 10060, 16714, 20120, 30683, 33428, 41785, 61366, 66856, 68911, 83570, 122732, 137822, 153415, 167140, 245464, 275644, 306830, 334280, 344555, 551288, 613660, 689110, 1227320, 1378220, 2756440, 4203571, 8407142, 16814284, 21017855, 33628568, 42035710, 84071420, 168142840]

約数ペア:

[(1, 168142840), (2, 84071420), (4, 42035710), (5, 33628568), (8, 21017855), (10, 16814284), (20, 8407142), (40, 4203571), (61, 2756440), (122, 1378220), (137, 1227320), (244, 689110), (274, 613660), (305, 551288), (488, 344555), (503, 334280), (548, 306830), (610, 275644), (685, 245464), (1006, 167140), (1096, 153415), (1220, 137822), (1370, 122732), (2012, 83570), (2440, 68911), (2515, 66856), (2740, 61366), (4024, 41785), (5030, 33428), (5480, 30683), (8357, 20120), (10060, 16714)]