66740480

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2267}}^1$

素因数の和:2311

約数の個数: 72

約数和(自身を含む): 166888512

約数和(自身を除く): 100148032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2267, 2944, 3680, 4534, 5888, 7360, 9068, 11335, 14720, 18136, 22670, 29440, 36272, 45340, 52141, 72544, 90680, 104282, 145088, 181360, 208564, 260705, 290176, 362720, 417128, 521410, 580352, 725440, 834256, 1042820, 1450880, 1668512, 2085640, 2901760, 3337024, 4171280, 6674048, 8342560, 13348096, 16685120, 33370240, 66740480]

約数ペア:

[(1, 66740480), (2, 33370240), (4, 16685120), (5, 13348096), (8, 8342560), (10, 6674048), (16, 4171280), (20, 3337024), (23, 2901760), (32, 2085640), (40, 1668512), (46, 1450880), (64, 1042820), (80, 834256), (92, 725440), (115, 580352), (128, 521410), (160, 417128), (184, 362720), (230, 290176), (256, 260705), (320, 208564), (368, 181360), (460, 145088), (640, 104282), (736, 90680), (920, 72544), (1280, 52141), (1472, 45340), (1840, 36272), (2267, 29440), (2944, 22670), (3680, 18136), (4534, 14720), (5888, 11335), (7360, 9068)]