1807336720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{40853}}^1$

素因数の和:40952

約数の個数: 80

約数和(自身を含む): 4863260160

約数和(自身を除く): 3055923440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 40853, 44240, 81706, 163412, 204265, 285971, 326824, 408530, 571942, 653648, 817060, 1143884, 1429855, 1634120, 2287768, 2859710, 3227387, 3268240, 4575536, 5719420, 6454774, 11438840, 12909548, 16136935, 22591709, 22877680, 25819096, 32273870, 45183418, 51638192, 64547740, 90366836, 112958545, 129095480, 180733672, 225917090, 258190960, 361467344, 451834180, 903668360, 1807336720]

約数ペア:

[(1, 1807336720), (2, 903668360), (4, 451834180), (5, 361467344), (7, 258190960), (8, 225917090), (10, 180733672), (14, 129095480), (16, 112958545), (20, 90366836), (28, 64547740), (35, 51638192), (40, 45183418), (56, 32273870), (70, 25819096), (79, 22877680), (80, 22591709), (112, 16136935), (140, 12909548), (158, 11438840), (280, 6454774), (316, 5719420), (395, 4575536), (553, 3268240), (560, 3227387), (632, 2859710), (790, 2287768), (1106, 1634120), (1264, 1429855), (1580, 1143884), (2212, 817060), (2765, 653648), (3160, 571942), (4424, 408530), (5530, 326824), (6320, 285971), (8848, 204265), (11060, 163412), (22120, 81706), (40853, 44240)]