81142440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6971}}^1$

素因数の和:7082

約数の個数: 64

約数和(自身を含む): 245972160

約数和(自身を除く): 164829720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 6971, 11640, 13942, 20913, 27884, 34855, 41826, 55768, 69710, 83652, 104565, 139420, 167304, 209130, 278840, 418260, 676187, 836520, 1352374, 2028561, 2704748, 3380935, 4057122, 5409496, 6761870, 8114244, 10142805, 13523740, 16228488, 20285610, 27047480, 40571220, 81142440]

約数ペア:

[(1, 81142440), (2, 40571220), (3, 27047480), (4, 20285610), (5, 16228488), (6, 13523740), (8, 10142805), (10, 8114244), (12, 6761870), (15, 5409496), (20, 4057122), (24, 3380935), (30, 2704748), (40, 2028561), (60, 1352374), (97, 836520), (120, 676187), (194, 418260), (291, 278840), (388, 209130), (485, 167304), (582, 139420), (776, 104565), (970, 83652), (1164, 69710), (1455, 55768), (1940, 41826), (2328, 34855), (2910, 27884), (3880, 20913), (5820, 13942), (6971, 11640)]