7278390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{3851}}^1$

素因数の和:3874

約数の個数: 64

約数和(自身を含む): 22187520

約数和(自身を除く): 14909130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 3851, 7702, 11553, 19255, 23106, 26957, 34659, 38510, 53914, 57765, 69318, 80871, 103977, 115530, 134785, 161742, 173295, 207954, 242613, 269570, 346590, 404355, 485226, 519885, 727839, 808710, 1039770, 1213065, 1455678, 2426130, 3639195, 7278390]

約数ペア:

[(1, 7278390), (2, 3639195), (3, 2426130), (5, 1455678), (6, 1213065), (7, 1039770), (9, 808710), (10, 727839), (14, 519885), (15, 485226), (18, 404355), (21, 346590), (27, 269570), (30, 242613), (35, 207954), (42, 173295), (45, 161742), (54, 134785), (63, 115530), (70, 103977), (90, 80871), (105, 69318), (126, 57765), (135, 53914), (189, 38510), (210, 34659), (270, 26957), (315, 23106), (378, 19255), (630, 11553), (945, 7702), (1890, 3851)]