2779140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 9596160

約数和(自身を除く): 6817020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 509, 546, 780, 910, 1018, 1092, 1365, 1527, 1820, 2036, 2545, 2730, 3054, 3563, 5090, 5460, 6108, 6617, 7126, 7635, 10180, 10689, 13234, 14252, 15270, 17815, 19851, 21378, 26468, 30540, 33085, 35630, 39702, 42756, 46319, 53445, 66170, 71260, 79404, 92638, 99255, 106890, 132340, 138957, 185276, 198510, 213780, 231595, 277914, 397020, 463190, 555828, 694785, 926380, 1389570, 2779140]

約数ペア:

[(1, 2779140), (2, 1389570), (3, 926380), (4, 694785), (5, 555828), (6, 463190), (7, 397020), (10, 277914), (12, 231595), (13, 213780), (14, 198510), (15, 185276), (20, 138957), (21, 132340), (26, 106890), (28, 99255), (30, 92638), (35, 79404), (39, 71260), (42, 66170), (52, 53445), (60, 46319), (65, 42756), (70, 39702), (78, 35630), (84, 33085), (91, 30540), (105, 26468), (130, 21378), (140, 19851), (156, 17815), (182, 15270), (195, 14252), (210, 13234), (260, 10689), (273, 10180), (364, 7635), (390, 7126), (420, 6617), (455, 6108), (509, 5460), (546, 5090), (780, 3563), (910, 3054), (1018, 2730), (1092, 2545), (1365, 2036), (1527, 1820)]