156960980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2539}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 361005120

約数和(自身を除く): 204044140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 2539, 2810, 3091, 5078, 5620, 6182, 10156, 12364, 12695, 15455, 25390, 27929, 30910, 50780, 55858, 61820, 111716, 139645, 279290, 558580, 713459, 1426918, 2853836, 3567295, 7134590, 7848049, 14269180, 15696098, 31392196, 39240245, 78480490, 156960980]

約数ペア:

[(1, 156960980), (2, 78480490), (4, 39240245), (5, 31392196), (10, 15696098), (11, 14269180), (20, 7848049), (22, 7134590), (44, 3567295), (55, 2853836), (110, 1426918), (220, 713459), (281, 558580), (562, 279290), (1124, 139645), (1405, 111716), (2539, 61820), (2810, 55858), (3091, 50780), (5078, 30910), (5620, 27929), (6182, 25390), (10156, 15455), (12364, 12695)]