77616520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1502

約数の個数: 64

約数和(自身を含む): 186480000

約数和(自身を除く): 108863480

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, 1399, 1460, 2774, 2798, 2920, 5548, 5596, 6935, 6995, 11096, 11192, 13870, 13990, 26581, 27740, 27980, 53162, 55480, 55960, 102127, 106324, 132905, 204254, 212648, 265810, 408508, 510635, 531620, 817016, 1021270, 1063240, 1940413, 2042540, 3880826, 4085080, 7761652, 9702065, 15523304, 19404130, 38808260, 77616520]

約数ペア:

[(1, 77616520), (2, 38808260), (4, 19404130), (5, 15523304), (8, 9702065), (10, 7761652), (19, 4085080), (20, 3880826), (38, 2042540), (40, 1940413), (73, 1063240), (76, 1021270), (95, 817016), (146, 531620), (152, 510635), (190, 408508), (292, 265810), (365, 212648), (380, 204254), (584, 132905), (730, 106324), (760, 102127), (1387, 55960), (1399, 55480), (1460, 53162), (2774, 27980), (2798, 27740), (2920, 26581), (5548, 13990), (5596, 13870), (6935, 11192), (6995, 11096)]