156720690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 482941440

約数和(自身を除く): 326220750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 101, 105, 126, 135, 189, 202, 210, 270, 303, 315, 378, 505, 606, 630, 707, 821, 909, 945, 1010, 1414, 1515, 1642, 1818, 1890, 2121, 2463, 2727, 3030, 3535, 4105, 4242, 4545, 4926, 5454, 5747, 6363, 7070, 7389, 8210, 9090, 10605, 11494, 12315, 12726, 13635, 14778, 17241, 19089, 21210, 22167, 24630, 27270, 28735, 31815, 34482, 36945, 38178, 44334, 51723, 57470, 63630, 73890, 82921, 86205, 95445, 103446, 110835, 155169, 165842, 172410, 190890, 221670, 248763, 258615, 310338, 414605, 497526, 517230, 580447, 746289, 775845, 829210, 1160894, 1243815, 1492578, 1551690, 1741341, 2238867, 2487630, 2902235, 3482682, 3731445, 4477734, 5224023, 5804470, 7462890, 8706705, 10448046, 11194335, 15672069, 17413410, 22388670, 26120115, 31344138, 52240230, 78360345, 156720690]

約数ペア:

[(1, 156720690), (2, 78360345), (3, 52240230), (5, 31344138), (6, 26120115), (7, 22388670), (9, 17413410), (10, 15672069), (14, 11194335), (15, 10448046), (18, 8706705), (21, 7462890), (27, 5804470), (30, 5224023), (35, 4477734), (42, 3731445), (45, 3482682), (54, 2902235), (63, 2487630), (70, 2238867), (90, 1741341), (101, 1551690), (105, 1492578), (126, 1243815), (135, 1160894), (189, 829210), (202, 775845), (210, 746289), (270, 580447), (303, 517230), (315, 497526), (378, 414605), (505, 310338), (606, 258615), (630, 248763), (707, 221670), (821, 190890), (909, 172410), (945, 165842), (1010, 155169), (1414, 110835), (1515, 103446), (1642, 95445), (1818, 86205), (1890, 82921), (2121, 73890), (2463, 63630), (2727, 57470), (3030, 51723), (3535, 44334), (4105, 38178), (4242, 36945), (4545, 34482), (4926, 31815), (5454, 28735), (5747, 27270), (6363, 24630), (7070, 22167), (7389, 21210), (8210, 19089), (9090, 17241), (10605, 14778), (11494, 13635), (12315, 12726)]