87878880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61027}}^1$

素因数の和:61048

約数の個数: 72

約数和(自身を含む): 299891592

約数和(自身を除く): 212012712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 61027, 122054, 183081, 244108, 305135, 366162, 488216, 549243, 610270, 732324, 915405, 976432, 1098486, 1220540, 1464648, 1830810, 1952864, 2196972, 2441080, 2746215, 2929296, 3661620, 4393944, 4882160, 5492430, 5858592, 7323240, 8787888, 9764320, 10984860, 14646480, 17575776, 21969720, 29292960, 43939440, 87878880]

約数ペア:

[(1, 87878880), (2, 43939440), (3, 29292960), (4, 21969720), (5, 17575776), (6, 14646480), (8, 10984860), (9, 9764320), (10, 8787888), (12, 7323240), (15, 5858592), (16, 5492430), (18, 4882160), (20, 4393944), (24, 3661620), (30, 2929296), (32, 2746215), (36, 2441080), (40, 2196972), (45, 1952864), (48, 1830810), (60, 1464648), (72, 1220540), (80, 1098486), (90, 976432), (96, 915405), (120, 732324), (144, 610270), (160, 549243), (180, 488216), (240, 366162), (288, 305135), (360, 244108), (480, 183081), (720, 122054), (1440, 61027)]