8081820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 24963120

約数和(自身を除く): 16881300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 761, 885, 1062, 1180, 1522, 1770, 2124, 2283, 2655, 3044, 3540, 3805, 4566, 5310, 6849, 7610, 9132, 10620, 11415, 13698, 15220, 22830, 27396, 34245, 44899, 45660, 68490, 89798, 134697, 136980, 179596, 224495, 269394, 404091, 448990, 538788, 673485, 808182, 897980, 1346970, 1616364, 2020455, 2693940, 4040910, 8081820]

約数ペア:

[(1, 8081820), (2, 4040910), (3, 2693940), (4, 2020455), (5, 1616364), (6, 1346970), (9, 897980), (10, 808182), (12, 673485), (15, 538788), (18, 448990), (20, 404091), (30, 269394), (36, 224495), (45, 179596), (59, 136980), (60, 134697), (90, 89798), (118, 68490), (177, 45660), (180, 44899), (236, 34245), (295, 27396), (354, 22830), (531, 15220), (590, 13698), (708, 11415), (761, 10620), (885, 9132), (1062, 7610), (1180, 6849), (1522, 5310), (1770, 4566), (2124, 3805), (2283, 3540), (2655, 3044)]