80217270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42443}}^1$

素因数の和:42466

約数の個数: 64

約数和(自身を含む): 244477440

約数和(自身を除く): 164260170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42443, 84886, 127329, 212215, 254658, 297101, 381987, 424430, 594202, 636645, 763974, 891303, 1145961, 1273290, 1485505, 1782606, 1909935, 2291922, 2673909, 2971010, 3819870, 4456515, 5347818, 5729805, 8021727, 8913030, 11459610, 13369545, 16043454, 26739090, 40108635, 80217270]

約数ペア:

[(1, 80217270), (2, 40108635), (3, 26739090), (5, 16043454), (6, 13369545), (7, 11459610), (9, 8913030), (10, 8021727), (14, 5729805), (15, 5347818), (18, 4456515), (21, 3819870), (27, 2971010), (30, 2673909), (35, 2291922), (42, 1909935), (45, 1782606), (54, 1485505), (63, 1273290), (70, 1145961), (90, 891303), (105, 763974), (126, 636645), (135, 594202), (189, 424430), (210, 381987), (270, 297101), (315, 254658), (378, 212215), (630, 127329), (945, 84886), (1890, 42443)]