77117720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 180986400

約数和(自身を除く): 103868680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 797, 820, 1180, 1594, 1640, 2360, 2419, 3188, 3985, 4838, 6376, 7970, 9676, 12095, 15940, 19352, 24190, 31880, 32677, 47023, 48380, 65354, 94046, 96760, 130708, 163385, 188092, 235115, 261416, 326770, 376184, 470230, 653540, 940460, 1307080, 1880920, 1927943, 3855886, 7711772, 9639715, 15423544, 19279430, 38558860, 77117720]

約数ペア:

[(1, 77117720), (2, 38558860), (4, 19279430), (5, 15423544), (8, 9639715), (10, 7711772), (20, 3855886), (40, 1927943), (41, 1880920), (59, 1307080), (82, 940460), (118, 653540), (164, 470230), (205, 376184), (236, 326770), (295, 261416), (328, 235115), (410, 188092), (472, 163385), (590, 130708), (797, 96760), (820, 94046), (1180, 65354), (1594, 48380), (1640, 47023), (2360, 32677), (2419, 31880), (3188, 24190), (3985, 19352), (4838, 15940), (6376, 12095), (7970, 9676)]