155177560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2797}}^1$

素因数の和:2900

約数の個数: 64

約数和(自身を含む): 372693600

約数和(自身を除く): 217516040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2774, 2797, 2920, 5548, 5594, 6935, 11096, 11188, 13870, 13985, 22376, 27740, 27970, 53143, 55480, 55940, 106286, 111880, 204181, 212572, 265715, 408362, 425144, 531430, 816724, 1020905, 1062860, 1633448, 2041810, 2125720, 3879439, 4083620, 7758878, 8167240, 15517756, 19397195, 31035512, 38794390, 77588780, 155177560]

約数ペア:

[(1, 155177560), (2, 77588780), (4, 38794390), (5, 31035512), (8, 19397195), (10, 15517756), (19, 8167240), (20, 7758878), (38, 4083620), (40, 3879439), (73, 2125720), (76, 2041810), (95, 1633448), (146, 1062860), (152, 1020905), (190, 816724), (292, 531430), (365, 425144), (380, 408362), (584, 265715), (730, 212572), (760, 204181), (1387, 111880), (1460, 106286), (2774, 55940), (2797, 55480), (2920, 53143), (5548, 27970), (5594, 27740), (6935, 22376), (11096, 13985), (11188, 13870)]