156472640

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 84

約数和(自身を含む): 381818388

約数和(自身を除く): 225345748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 97, 142, 160, 194, 284, 320, 355, 388, 485, 568, 710, 776, 970, 1136, 1420, 1552, 1940, 2272, 2840, 3104, 3880, 4544, 5041, 5680, 6208, 6887, 7760, 10082, 11360, 13774, 15520, 20164, 22720, 25205, 27548, 31040, 34435, 40328, 50410, 55096, 68870, 80656, 100820, 110192, 137740, 161312, 201640, 220384, 275480, 322624, 403280, 440768, 488977, 550960, 806560, 977954, 1101920, 1613120, 1955908, 2203840, 2444885, 3911816, 4889770, 7823632, 9779540, 15647264, 19559080, 31294528, 39118160, 78236320, 156472640]

約数ペア:

[(1, 156472640), (2, 78236320), (4, 39118160), (5, 31294528), (8, 19559080), (10, 15647264), (16, 9779540), (20, 7823632), (32, 4889770), (40, 3911816), (64, 2444885), (71, 2203840), (80, 1955908), (97, 1613120), (142, 1101920), (160, 977954), (194, 806560), (284, 550960), (320, 488977), (355, 440768), (388, 403280), (485, 322624), (568, 275480), (710, 220384), (776, 201640), (970, 161312), (1136, 137740), (1420, 110192), (1552, 100820), (1940, 80656), (2272, 68870), (2840, 55096), (3104, 50410), (3880, 40328), (4544, 34435), (5041, 31040), (5680, 27548), (6208, 25205), (6887, 22720), (7760, 20164), (10082, 15520), (11360, 13774)]