20160909540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{142319}}^1$

素因数の和:143121

約数の個数: 72

約数和(自身を含む): 61232895360

約数和(自身を除く): 41071985820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 787, 1574, 2361, 3148, 3935, 4722, 7083, 7870, 9444, 11805, 14166, 15740, 23610, 28332, 35415, 47220, 70830, 141660, 142319, 284638, 426957, 569276, 711595, 853914, 1280871, 1423190, 1707828, 2134785, 2561742, 2846380, 4269570, 5123484, 6404355, 8539140, 12808710, 25617420, 112005053, 224010106, 336015159, 448020212, 560025265, 672030318, 1008045477, 1120050530, 1344060636, 1680075795, 2016090954, 2240101060, 3360151590, 4032181908, 5040227385, 6720303180, 10080454770, 20160909540]

約数ペア:

[(1, 20160909540), (2, 10080454770), (3, 6720303180), (4, 5040227385), (5, 4032181908), (6, 3360151590), (9, 2240101060), (10, 2016090954), (12, 1680075795), (15, 1344060636), (18, 1120050530), (20, 1008045477), (30, 672030318), (36, 560025265), (45, 448020212), (60, 336015159), (90, 224010106), (180, 112005053), (787, 25617420), (1574, 12808710), (2361, 8539140), (3148, 6404355), (3935, 5123484), (4722, 4269570), (7083, 2846380), (7870, 2561742), (9444, 2134785), (11805, 1707828), (14166, 1423190), (15740, 1280871), (23610, 853914), (28332, 711595), (35415, 569276), (47220, 426957), (70830, 284638), (141660, 142319)]