177992720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4513}}^1$

素因数の和:4572

約数の個数: 80

約数和(自身を含む): 453386160

約数和(自身を除く): 275393440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4513, 4930, 7888, 9026, 9860, 18052, 19720, 22565, 36104, 39440, 45130, 72208, 76721, 90260, 130877, 153442, 180520, 261754, 306884, 361040, 383605, 523508, 613768, 654385, 767210, 1047016, 1227536, 1308770, 1534420, 2094032, 2224909, 2617540, 3068840, 4449818, 5235080, 6137680, 8899636, 10470160, 11124545, 17799272, 22249090, 35598544, 44498180, 88996360, 177992720]

約数ペア:

[(1, 177992720), (2, 88996360), (4, 44498180), (5, 35598544), (8, 22249090), (10, 17799272), (16, 11124545), (17, 10470160), (20, 8899636), (29, 6137680), (34, 5235080), (40, 4449818), (58, 3068840), (68, 2617540), (80, 2224909), (85, 2094032), (116, 1534420), (136, 1308770), (145, 1227536), (170, 1047016), (232, 767210), (272, 654385), (290, 613768), (340, 523508), (464, 383605), (493, 361040), (580, 306884), (680, 261754), (986, 180520), (1160, 153442), (1360, 130877), (1972, 90260), (2320, 76721), (2465, 72208), (3944, 45130), (4513, 39440), (4930, 36104), (7888, 22565), (9026, 19720), (9860, 18052)]