78752340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23027}}^1$

素因数の和:23061

約数の個数: 72

約数和(自身を含む): 251465760

約数和(自身を除く): 172713420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23027, 46054, 69081, 92108, 115135, 138162, 207243, 230270, 276324, 345405, 414486, 437513, 460540, 690810, 828972, 875026, 1036215, 1312539, 1381620, 1750052, 2072430, 2187565, 2625078, 3937617, 4144860, 4375130, 5250156, 6562695, 7875234, 8750260, 13125390, 15750468, 19688085, 26250780, 39376170, 78752340]

約数ペア:

[(1, 78752340), (2, 39376170), (3, 26250780), (4, 19688085), (5, 15750468), (6, 13125390), (9, 8750260), (10, 7875234), (12, 6562695), (15, 5250156), (18, 4375130), (19, 4144860), (20, 3937617), (30, 2625078), (36, 2187565), (38, 2072430), (45, 1750052), (57, 1381620), (60, 1312539), (76, 1036215), (90, 875026), (95, 828972), (114, 690810), (171, 460540), (180, 437513), (190, 414486), (228, 345405), (285, 276324), (342, 230270), (380, 207243), (570, 138162), (684, 115135), (855, 92108), (1140, 69081), (1710, 46054), (3420, 23027)]