2021067540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{158143}}^1$

素因数の和:158229

約数の個数: 72

約数和(自身を含む): 6216956928

約数和(自身を除く): 4195889388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 158143, 316286, 474429, 632572, 790715, 948858, 1423287, 1581430, 1897716, 2372145, 2846574, 3162860, 4744290, 5693148, 7116435, 9488580, 11228153, 14232870, 22456306, 28465740, 33684459, 44912612, 56140765, 67368918, 101053377, 112281530, 134737836, 168422295, 202106754, 224563060, 336844590, 404213508, 505266885, 673689180, 1010533770, 2021067540]

約数ペア:

[(1, 2021067540), (2, 1010533770), (3, 673689180), (4, 505266885), (5, 404213508), (6, 336844590), (9, 224563060), (10, 202106754), (12, 168422295), (15, 134737836), (18, 112281530), (20, 101053377), (30, 67368918), (36, 56140765), (45, 44912612), (60, 33684459), (71, 28465740), (90, 22456306), (142, 14232870), (180, 11228153), (213, 9488580), (284, 7116435), (355, 5693148), (426, 4744290), (639, 3162860), (710, 2846574), (852, 2372145), (1065, 1897716), (1278, 1581430), (1420, 1423287), (2130, 948858), (2556, 790715), (3195, 632572), (4260, 474429), (6390, 316286), (12780, 158143)]