2690285440

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 6597702720

約数和(自身を除く): 3907417280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 137, 160, 244, 274, 305, 320, 488, 503, 548, 610, 640, 685, 976, 1006, 1096, 1220, 1370, 1952, 2012, 2192, 2440, 2515, 2740, 3904, 4024, 4384, 4880, 5030, 5480, 7808, 8048, 8357, 8768, 9760, 10060, 10960, 16096, 16714, 17536, 19520, 20120, 21920, 30683, 32192, 33428, 39040, 40240, 41785, 43840, 61366, 64384, 66856, 68911, 80480, 83570, 87680, 122732, 133712, 137822, 153415, 160960, 167140, 245464, 267424, 275644, 306830, 321920, 334280, 344555, 490928, 534848, 551288, 613660, 668560, 689110, 981856, 1069696, 1102576, 1227320, 1337120, 1378220, 1963712, 2205152, 2454640, 2674240, 2756440, 3927424, 4203571, 4410304, 4909280, 5348480, 5512880, 8407142, 8820608, 9818560, 11025760, 16814284, 19637120, 21017855, 22051520, 33628568, 42035710, 44103040, 67257136, 84071420, 134514272, 168142840, 269028544, 336285680, 538057088, 672571360, 1345142720, 2690285440]

約数ペア:

[(1, 2690285440), (2, 1345142720), (4, 672571360), (5, 538057088), (8, 336285680), (10, 269028544), (16, 168142840), (20, 134514272), (32, 84071420), (40, 67257136), (61, 44103040), (64, 42035710), (80, 33628568), (122, 22051520), (128, 21017855), (137, 19637120), (160, 16814284), (244, 11025760), (274, 9818560), (305, 8820608), (320, 8407142), (488, 5512880), (503, 5348480), (548, 4909280), (610, 4410304), (640, 4203571), (685, 3927424), (976, 2756440), (1006, 2674240), (1096, 2454640), (1220, 2205152), (1370, 1963712), (1952, 1378220), (2012, 1337120), (2192, 1227320), (2440, 1102576), (2515, 1069696), (2740, 981856), (3904, 689110), (4024, 668560), (4384, 613660), (4880, 551288), (5030, 534848), (5480, 490928), (7808, 344555), (8048, 334280), (8357, 321920), (8768, 306830), (9760, 275644), (10060, 267424), (10960, 245464), (16096, 167140), (16714, 160960), (17536, 153415), (19520, 137822), (20120, 133712), (21920, 122732), (30683, 87680), (32192, 83570), (33428, 80480), (39040, 68911), (40240, 66856), (41785, 64384), (43840, 61366)]