173666720

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6659}}^1$

素因数の和:6837

約数の個数: 48

約数和(自身を含む): 412866720

約数和(自身を除く): 239200000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 6659, 13040, 13318, 26080, 26636, 33295, 53272, 66590, 106544, 133180, 213088, 266360, 532720, 1065440, 1085417, 2170834, 4341668, 5427085, 8683336, 10854170, 17366672, 21708340, 34733344, 43416680, 86833360, 173666720]

約数ペア:

[(1, 173666720), (2, 86833360), (4, 43416680), (5, 34733344), (8, 21708340), (10, 17366672), (16, 10854170), (20, 8683336), (32, 5427085), (40, 4341668), (80, 2170834), (160, 1085417), (163, 1065440), (326, 532720), (652, 266360), (815, 213088), (1304, 133180), (1630, 106544), (2608, 66590), (3260, 53272), (5216, 33295), (6520, 26636), (6659, 26080), (13040, 13318)]