80987820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^2$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 234120432

約数和(自身を除く): 153132612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 191, 222, 370, 382, 444, 555, 573, 740, 764, 955, 1110, 1146, 1910, 2220, 2292, 2865, 3820, 5730, 7067, 11460, 14134, 21201, 28268, 35335, 36481, 42402, 70670, 72962, 84804, 106005, 109443, 141340, 145924, 182405, 212010, 218886, 364810, 424020, 437772, 547215, 729620, 1094430, 1349797, 2188860, 2699594, 4049391, 5399188, 6748985, 8098782, 13497970, 16197564, 20246955, 26995940, 40493910, 80987820]

約数ペア:

[(1, 80987820), (2, 40493910), (3, 26995940), (4, 20246955), (5, 16197564), (6, 13497970), (10, 8098782), (12, 6748985), (15, 5399188), (20, 4049391), (30, 2699594), (37, 2188860), (60, 1349797), (74, 1094430), (111, 729620), (148, 547215), (185, 437772), (191, 424020), (222, 364810), (370, 218886), (382, 212010), (444, 182405), (555, 145924), (573, 141340), (740, 109443), (764, 106005), (955, 84804), (1110, 72962), (1146, 70670), (1910, 42402), (2220, 36481), (2292, 35335), (2865, 28268), (3820, 21201), (5730, 14134), (7067, 11460)]