81732800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2266

約数の個数: 84

約数和(自身を含む): 209952336

約数和(自身を除く): 128219536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 575, 736, 800, 920, 1150, 1472, 1600, 1840, 2221, 2300, 3680, 4442, 4600, 7360, 8884, 9200, 11105, 17768, 18400, 22210, 35536, 36800, 44420, 51083, 55525, 71072, 88840, 102166, 111050, 142144, 177680, 204332, 222100, 255415, 355360, 408664, 444200, 510830, 710720, 817328, 888400, 1021660, 1277075, 1634656, 1776800, 2043320, 2554150, 3269312, 3553600, 4086640, 5108300, 8173280, 10216600, 16346560, 20433200, 40866400, 81732800]

約数ペア:

[(1, 81732800), (2, 40866400), (4, 20433200), (5, 16346560), (8, 10216600), (10, 8173280), (16, 5108300), (20, 4086640), (23, 3553600), (25, 3269312), (32, 2554150), (40, 2043320), (46, 1776800), (50, 1634656), (64, 1277075), (80, 1021660), (92, 888400), (100, 817328), (115, 710720), (160, 510830), (184, 444200), (200, 408664), (230, 355360), (320, 255415), (368, 222100), (400, 204332), (460, 177680), (575, 142144), (736, 111050), (800, 102166), (920, 88840), (1150, 71072), (1472, 55525), (1600, 51083), (1840, 44420), (2221, 36800), (2300, 35536), (3680, 22210), (4442, 18400), (4600, 17768), (7360, 11105), (8884, 9200)]