81981090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15439}}^1$

素因数の和:15511

約数の個数: 48

約数和(自身を含む): 216777600

約数和(自身を除く): 134796510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 531, 590, 885, 1062, 1770, 2655, 5310, 15439, 30878, 46317, 77195, 92634, 138951, 154390, 231585, 277902, 463170, 694755, 910901, 1389510, 1821802, 2732703, 4554505, 5465406, 8198109, 9109010, 13663515, 16396218, 27327030, 40990545, 81981090]

約数ペア:

[(1, 81981090), (2, 40990545), (3, 27327030), (5, 16396218), (6, 13663515), (9, 9109010), (10, 8198109), (15, 5465406), (18, 4554505), (30, 2732703), (45, 1821802), (59, 1389510), (90, 910901), (118, 694755), (177, 463170), (295, 277902), (354, 231585), (531, 154390), (590, 138951), (885, 92634), (1062, 77195), (1770, 46317), (2655, 30878), (5310, 15439)]