61142840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1860

約数の個数: 64

約数和(自身を含む): 152064000

約数和(自身を除く): 90921160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 1759, 3160, 3476, 3518, 4345, 6952, 7036, 8690, 8795, 14072, 17380, 17590, 19349, 34760, 35180, 38698, 70360, 77396, 96745, 138961, 154792, 193490, 277922, 386980, 555844, 694805, 773960, 1111688, 1389610, 1528571, 2779220, 3057142, 5558440, 6114284, 7642855, 12228568, 15285710, 30571420, 61142840]

約数ペア:

[(1, 61142840), (2, 30571420), (4, 15285710), (5, 12228568), (8, 7642855), (10, 6114284), (11, 5558440), (20, 3057142), (22, 2779220), (40, 1528571), (44, 1389610), (55, 1111688), (79, 773960), (88, 694805), (110, 555844), (158, 386980), (220, 277922), (316, 193490), (395, 154792), (440, 138961), (632, 96745), (790, 77396), (869, 70360), (1580, 38698), (1738, 35180), (1759, 34760), (3160, 19349), (3476, 17590), (3518, 17380), (4345, 14072), (6952, 8795), (7036, 8690)]