220785516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{3257}}^1$

素因数の和:3543

約数の個数: 72

約数和(自身を含む): 640392480

約数和(自身を除く): 419606964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 269, 538, 807, 1076, 1614, 1883, 2421, 3228, 3257, 3766, 4842, 5649, 6514, 7532, 9684, 9771, 11298, 13028, 16947, 19542, 22596, 22799, 29313, 33894, 39084, 45598, 58626, 67788, 68397, 91196, 117252, 136794, 205191, 273588, 410382, 820764, 876133, 1752266, 2628399, 3504532, 5256798, 6132931, 7885197, 10513596, 12265862, 15770394, 18398793, 24531724, 31540788, 36797586, 55196379, 73595172, 110392758, 220785516]

約数ペア:

[(1, 220785516), (2, 110392758), (3, 73595172), (4, 55196379), (6, 36797586), (7, 31540788), (9, 24531724), (12, 18398793), (14, 15770394), (18, 12265862), (21, 10513596), (28, 7885197), (36, 6132931), (42, 5256798), (63, 3504532), (84, 2628399), (126, 1752266), (252, 876133), (269, 820764), (538, 410382), (807, 273588), (1076, 205191), (1614, 136794), (1883, 117252), (2421, 91196), (3228, 68397), (3257, 67788), (3766, 58626), (4842, 45598), (5649, 39084), (6514, 33894), (7532, 29313), (9684, 22799), (9771, 22596), (11298, 19542), (13028, 16947)]