28678140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 87862320

約数和(自身を除く): 59184180

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, 535, 642, 963, 1070, 1284, 1489, 1605, 1926, 2140, 2978, 3210, 3852, 4467, 4815, 5956, 6420, 7445, 8934, 9630, 13401, 14890, 17868, 19260, 22335, 26802, 29780, 44670, 53604, 67005, 89340, 134010, 159323, 268020, 318646, 477969, 637292, 796615, 955938, 1433907, 1593230, 1911876, 2389845, 2867814, 3186460, 4779690, 5735628, 7169535, 9559380, 14339070, 28678140]

約数ペア:

[(1, 28678140), (2, 14339070), (3, 9559380), (4, 7169535), (5, 5735628), (6, 4779690), (9, 3186460), (10, 2867814), (12, 2389845), (15, 1911876), (18, 1593230), (20, 1433907), (30, 955938), (36, 796615), (45, 637292), (60, 477969), (90, 318646), (107, 268020), (180, 159323), (214, 134010), (321, 89340), (428, 67005), (535, 53604), (642, 44670), (963, 29780), (1070, 26802), (1284, 22335), (1489, 19260), (1605, 17868), (1926, 14890), (2140, 13401), (2978, 9630), (3210, 8934), (3852, 7445), (4467, 6420), (4815, 5956)]