30145280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2141}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 78808464

約数和(自身を除く): 48663184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2141, 2816, 3520, 4282, 7040, 8564, 10705, 14080, 17128, 21410, 23551, 34256, 42820, 47102, 68512, 85640, 94204, 117755, 137024, 171280, 188408, 235510, 274048, 342560, 376816, 471020, 548096, 685120, 753632, 942040, 1370240, 1507264, 1884080, 2740480, 3014528, 3768160, 6029056, 7536320, 15072640, 30145280]

約数ペア:

[(1, 30145280), (2, 15072640), (4, 7536320), (5, 6029056), (8, 3768160), (10, 3014528), (11, 2740480), (16, 1884080), (20, 1507264), (22, 1370240), (32, 942040), (40, 753632), (44, 685120), (55, 548096), (64, 471020), (80, 376816), (88, 342560), (110, 274048), (128, 235510), (160, 188408), (176, 171280), (220, 137024), (256, 117755), (320, 94204), (352, 85640), (440, 68512), (640, 47102), (704, 42820), (880, 34256), (1280, 23551), (1408, 21410), (1760, 17128), (2141, 14080), (2816, 10705), (3520, 8564), (4282, 7040)]