71175280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2842

約数の個数: 80

約数和(自身を含む): 186818400

約数和(自身を除く): 115643120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2789, 3190, 5104, 5578, 6380, 11156, 12760, 13945, 22312, 25520, 27890, 30679, 44624, 55780, 61358, 80881, 111560, 122716, 153395, 161762, 223120, 245432, 306790, 323524, 404405, 490864, 613580, 647048, 808810, 889691, 1227160, 1294096, 1617620, 1779382, 2454320, 3235240, 3558764, 4448455, 6470480, 7117528, 8896910, 14235056, 17793820, 35587640, 71175280]

約数ペア:

[(1, 71175280), (2, 35587640), (4, 17793820), (5, 14235056), (8, 8896910), (10, 7117528), (11, 6470480), (16, 4448455), (20, 3558764), (22, 3235240), (29, 2454320), (40, 1779382), (44, 1617620), (55, 1294096), (58, 1227160), (80, 889691), (88, 808810), (110, 647048), (116, 613580), (145, 490864), (176, 404405), (220, 323524), (232, 306790), (290, 245432), (319, 223120), (440, 161762), (464, 153395), (580, 122716), (638, 111560), (880, 80881), (1160, 61358), (1276, 55780), (1595, 44624), (2320, 30679), (2552, 27890), (2789, 25520), (3190, 22312), (5104, 13945), (5578, 12760), (6380, 11156)]