8455140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 25945920

約数和(自身を除く): 17490780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 439, 535, 642, 878, 963, 1070, 1284, 1317, 1605, 1756, 1926, 2140, 2195, 2634, 3210, 3852, 3951, 4390, 4815, 5268, 6420, 6585, 7902, 8780, 9630, 13170, 15804, 19260, 19755, 26340, 39510, 46973, 79020, 93946, 140919, 187892, 234865, 281838, 422757, 469730, 563676, 704595, 845514, 939460, 1409190, 1691028, 2113785, 2818380, 4227570, 8455140]

約数ペア:

[(1, 8455140), (2, 4227570), (3, 2818380), (4, 2113785), (5, 1691028), (6, 1409190), (9, 939460), (10, 845514), (12, 704595), (15, 563676), (18, 469730), (20, 422757), (30, 281838), (36, 234865), (45, 187892), (60, 140919), (90, 93946), (107, 79020), (180, 46973), (214, 39510), (321, 26340), (428, 19755), (439, 19260), (535, 15804), (642, 13170), (878, 9630), (963, 8780), (1070, 7902), (1284, 6585), (1317, 6420), (1605, 5268), (1756, 4815), (1926, 4390), (2140, 3951), (2195, 3852), (2634, 3210)]