1280451204

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{7477}}^1$

素因数の和:7625

約数の個数: 72

約数和(自身を含む): 3331718208

約数和(自身を除く): 2051267004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 71, 134, 142, 201, 213, 268, 284, 402, 426, 603, 639, 804, 852, 1206, 1278, 2412, 2556, 4757, 7477, 9514, 14271, 14954, 19028, 22431, 28542, 29908, 42813, 44862, 57084, 67293, 85626, 89724, 134586, 171252, 269172, 500959, 530867, 1001918, 1061734, 1502877, 1592601, 2003836, 2123468, 3005754, 3185202, 4508631, 4777803, 6011508, 6370404, 9017262, 9555606, 18034524, 19111212, 35568089, 71136178, 106704267, 142272356, 213408534, 320112801, 426817068, 640225602, 1280451204]

約数ペア:

[(1, 1280451204), (2, 640225602), (3, 426817068), (4, 320112801), (6, 213408534), (9, 142272356), (12, 106704267), (18, 71136178), (36, 35568089), (67, 19111212), (71, 18034524), (134, 9555606), (142, 9017262), (201, 6370404), (213, 6011508), (268, 4777803), (284, 4508631), (402, 3185202), (426, 3005754), (603, 2123468), (639, 2003836), (804, 1592601), (852, 1502877), (1206, 1061734), (1278, 1001918), (2412, 530867), (2556, 500959), (4757, 269172), (7477, 171252), (9514, 134586), (14271, 89724), (14954, 85626), (19028, 67293), (22431, 57084), (28542, 44862), (29908, 42813)]