65774960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 162861600

約数和(自身を除く): 97086640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 397, 436, 545, 760, 794, 872, 1090, 1520, 1588, 1744, 1985, 2071, 2180, 3176, 3970, 4142, 4360, 6352, 7543, 7940, 8284, 8720, 10355, 15086, 15880, 16568, 20710, 30172, 31760, 33136, 37715, 41420, 43273, 60344, 75430, 82840, 86546, 120688, 150860, 165680, 173092, 216365, 301720, 346184, 432730, 603440, 692368, 822187, 865460, 1644374, 1730920, 3288748, 3461840, 4110935, 6577496, 8221870, 13154992, 16443740, 32887480, 65774960]

約数ペア:

[(1, 65774960), (2, 32887480), (4, 16443740), (5, 13154992), (8, 8221870), (10, 6577496), (16, 4110935), (19, 3461840), (20, 3288748), (38, 1730920), (40, 1644374), (76, 865460), (80, 822187), (95, 692368), (109, 603440), (152, 432730), (190, 346184), (218, 301720), (304, 216365), (380, 173092), (397, 165680), (436, 150860), (545, 120688), (760, 86546), (794, 82840), (872, 75430), (1090, 60344), (1520, 43273), (1588, 41420), (1744, 37715), (1985, 33136), (2071, 31760), (2180, 30172), (3176, 20710), (3970, 16568), (4142, 15880), (4360, 15086), (6352, 10355), (7543, 8720), (7940, 8284)]