1815550380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1440913}}^1$

素因数の和:1440935

約数の個数: 72

約数和(自身を含む): 6293912352

約数和(自身を除く): 4478361972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1440913, 2881826, 4322739, 5763652, 7204565, 8645478, 10086391, 12968217, 14409130, 17290956, 20172782, 21613695, 25936434, 28818260, 30259173, 40345564, 43227390, 50431955, 51872868, 60518346, 64841085, 86454780, 90777519, 100863910, 121036692, 129682170, 151295865, 181555038, 201727820, 259364340, 302591730, 363110076, 453887595, 605183460, 907775190, 1815550380]

約数ペア:

[(1, 1815550380), (2, 907775190), (3, 605183460), (4, 453887595), (5, 363110076), (6, 302591730), (7, 259364340), (9, 201727820), (10, 181555038), (12, 151295865), (14, 129682170), (15, 121036692), (18, 100863910), (20, 90777519), (21, 86454780), (28, 64841085), (30, 60518346), (35, 51872868), (36, 50431955), (42, 43227390), (45, 40345564), (60, 30259173), (63, 28818260), (70, 25936434), (84, 21613695), (90, 20172782), (105, 17290956), (126, 14409130), (140, 12968217), (180, 10086391), (210, 8645478), (252, 7204565), (315, 5763652), (420, 4322739), (630, 2881826), (1260, 1440913)]