81937140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4363}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 230209728

約数和(自身を除く): 148272588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1878, 3130, 3756, 4363, 4695, 6260, 8726, 9390, 13089, 17452, 18780, 21815, 26178, 43630, 52356, 65445, 87260, 130890, 261780, 1365619, 2731238, 4096857, 5462476, 6828095, 8193714, 13656190, 16387428, 20484285, 27312380, 40968570, 81937140]

約数ペア:

[(1, 81937140), (2, 40968570), (3, 27312380), (4, 20484285), (5, 16387428), (6, 13656190), (10, 8193714), (12, 6828095), (15, 5462476), (20, 4096857), (30, 2731238), (60, 1365619), (313, 261780), (626, 130890), (939, 87260), (1252, 65445), (1565, 52356), (1878, 43630), (3130, 26178), (3756, 21815), (4363, 18780), (4695, 17452), (6260, 13089), (8726, 9390)]