78620820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14723}}^1$

素因数の和:14824

約数の個数: 48

約数和(自身を含む): 222626880

約数和(自身を除く): 144006060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 14723, 29446, 44169, 58892, 73615, 88338, 147230, 176676, 220845, 294460, 441690, 883380, 1310347, 2620694, 3931041, 5241388, 6551735, 7862082, 13103470, 15724164, 19655205, 26206940, 39310410, 78620820]

約数ペア:

[(1, 78620820), (2, 39310410), (3, 26206940), (4, 19655205), (5, 15724164), (6, 13103470), (10, 7862082), (12, 6551735), (15, 5241388), (20, 3931041), (30, 2620694), (60, 1310347), (89, 883380), (178, 441690), (267, 294460), (356, 220845), (445, 176676), (534, 147230), (890, 88338), (1068, 73615), (1335, 58892), (1780, 44169), (2670, 29446), (5340, 14723)]