6646967920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^3\times {\mathrm{2789}}^1$

素因数の和:2895

約数の個数: 80

約数和(自身を含む): 15975048960

約数和(自身を除く): 9328081040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2789, 3844, 4805, 5578, 7688, 9610, 11156, 13945, 15376, 19220, 22312, 27890, 29791, 38440, 44624, 55780, 59582, 76880, 86459, 111560, 119164, 148955, 172918, 223120, 238328, 297910, 345836, 432295, 476656, 595820, 691672, 864590, 1191640, 1383344, 1729180, 2383280, 2680229, 3458360, 5360458, 6916720, 10720916, 13401145, 21441832, 26802290, 42883664, 53604580, 83087099, 107209160, 166174198, 214418320, 332348396, 415435495, 664696792, 830870990, 1329393584, 1661741980, 3323483960, 6646967920]

約数ペア:

[(1, 6646967920), (2, 3323483960), (4, 1661741980), (5, 1329393584), (8, 830870990), (10, 664696792), (16, 415435495), (20, 332348396), (31, 214418320), (40, 166174198), (62, 107209160), (80, 83087099), (124, 53604580), (155, 42883664), (248, 26802290), (310, 21441832), (496, 13401145), (620, 10720916), (961, 6916720), (1240, 5360458), (1922, 3458360), (2480, 2680229), (2789, 2383280), (3844, 1729180), (4805, 1383344), (5578, 1191640), (7688, 864590), (9610, 691672), (11156, 595820), (13945, 476656), (15376, 432295), (19220, 345836), (22312, 297910), (27890, 238328), (29791, 223120), (38440, 172918), (44624, 148955), (55780, 119164), (59582, 111560), (76880, 86459)]