2045017520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{280909}}^1$

素因数の和:280942

約数の個数: 80

約数和(自身を含む): 5851917120

約数和(自身を除く): 3806899600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 280909, 561818, 1123636, 1404545, 1966363, 2247272, 2809090, 3651817, 3932726, 4494544, 5618180, 7303634, 7865452, 9831815, 11236360, 14607268, 15730904, 18259085, 19663630, 22472720, 25562719, 29214536, 31461808, 36518170, 39327260, 51125438, 58429072, 73036340, 78654520, 102250876, 127813595, 146072680, 157309040, 204501752, 255627190, 292145360, 409003504, 511254380, 1022508760, 2045017520]

約数ペア:

[(1, 2045017520), (2, 1022508760), (4, 511254380), (5, 409003504), (7, 292145360), (8, 255627190), (10, 204501752), (13, 157309040), (14, 146072680), (16, 127813595), (20, 102250876), (26, 78654520), (28, 73036340), (35, 58429072), (40, 51125438), (52, 39327260), (56, 36518170), (65, 31461808), (70, 29214536), (80, 25562719), (91, 22472720), (104, 19663630), (112, 18259085), (130, 15730904), (140, 14607268), (182, 11236360), (208, 9831815), (260, 7865452), (280, 7303634), (364, 5618180), (455, 4494544), (520, 3932726), (560, 3651817), (728, 2809090), (910, 2247272), (1040, 1966363), (1456, 1404545), (1820, 1123636), (3640, 561818), (7280, 280909)]