81774030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^2$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 214202232

約数和(自身を除く): 132428202

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 169, 195, 254, 338, 381, 390, 507, 635, 762, 845, 1014, 1270, 1651, 1690, 1905, 2535, 3302, 3810, 4953, 5070, 8255, 9906, 16129, 16510, 21463, 24765, 32258, 42926, 48387, 49530, 64389, 80645, 96774, 107315, 128778, 161290, 209677, 214630, 241935, 321945, 419354, 483870, 629031, 643890, 1048385, 1258062, 2096770, 2725801, 3145155, 5451602, 6290310, 8177403, 13629005, 16354806, 27258010, 40887015, 81774030]

約数ペア:

[(1, 81774030), (2, 40887015), (3, 27258010), (5, 16354806), (6, 13629005), (10, 8177403), (13, 6290310), (15, 5451602), (26, 3145155), (30, 2725801), (39, 2096770), (65, 1258062), (78, 1048385), (127, 643890), (130, 629031), (169, 483870), (195, 419354), (254, 321945), (338, 241935), (381, 214630), (390, 209677), (507, 161290), (635, 128778), (762, 107315), (845, 96774), (1014, 80645), (1270, 64389), (1651, 49530), (1690, 48387), (1905, 42926), (2535, 32258), (3302, 24765), (3810, 21463), (4953, 16510), (5070, 16129), (8255, 9906)]