77980788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 209008800

約数和(自身を除く): 131028012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 173, 228, 342, 346, 519, 659, 684, 692, 1038, 1318, 1557, 1977, 2076, 2636, 3114, 3287, 3954, 5931, 6228, 6574, 7908, 9861, 11862, 12521, 13148, 19722, 23724, 25042, 29583, 37563, 39444, 50084, 59166, 75126, 112689, 114007, 118332, 150252, 225378, 228014, 342021, 450756, 456028, 684042, 1026063, 1368084, 2052126, 2166133, 4104252, 4332266, 6498399, 8664532, 12996798, 19495197, 25993596, 38990394, 77980788]

約数ペア:

[(1, 77980788), (2, 38990394), (3, 25993596), (4, 19495197), (6, 12996798), (9, 8664532), (12, 6498399), (18, 4332266), (19, 4104252), (36, 2166133), (38, 2052126), (57, 1368084), (76, 1026063), (114, 684042), (171, 456028), (173, 450756), (228, 342021), (342, 228014), (346, 225378), (519, 150252), (659, 118332), (684, 114007), (692, 112689), (1038, 75126), (1318, 59166), (1557, 50084), (1977, 39444), (2076, 37563), (2636, 29583), (3114, 25042), (3287, 23724), (3954, 19722), (5931, 13148), (6228, 12521), (6574, 11862), (7908, 9861)]