156960648940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{84191}}^1$

素因数の和:84359

約数の個数: 72

約数和(自身を含む): 344108532096

約数和(自身を除く): 187147883156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 961, 970, 1922, 1940, 3007, 3844, 4805, 6014, 9610, 12028, 15035, 19220, 30070, 60140, 84191, 93217, 168382, 186434, 336764, 372868, 420955, 466085, 841910, 932170, 1683820, 1864340, 2609921, 5219842, 8166527, 10439684, 13049605, 16333054, 26099210, 32666108, 40832635, 52198420, 80907551, 81665270, 161815102, 163330540, 253162337, 323630204, 404537755, 506324674, 809075510, 1012649348, 1265811685, 1618151020, 2531623370, 5063246740, 7848032447, 15696064894, 31392129788, 39240162235, 78480324470, 156960648940]

約数ペア:

[(1, 156960648940), (2, 78480324470), (4, 39240162235), (5, 31392129788), (10, 15696064894), (20, 7848032447), (31, 5063246740), (62, 2531623370), (97, 1618151020), (124, 1265811685), (155, 1012649348), (194, 809075510), (310, 506324674), (388, 404537755), (485, 323630204), (620, 253162337), (961, 163330540), (970, 161815102), (1922, 81665270), (1940, 80907551), (3007, 52198420), (3844, 40832635), (4805, 32666108), (6014, 26099210), (9610, 16333054), (12028, 13049605), (15035, 10439684), (19220, 8166527), (30070, 5219842), (60140, 2609921), (84191, 1864340), (93217, 1683820), (168382, 932170), (186434, 841910), (336764, 466085), (372868, 420955)]