128918880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89527}}^1$

素因数の和:89548

約数の個数: 72

約数和(自身を含む): 439940592

約数和(自身を除く): 311021712

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, 89527, 179054, 268581, 358108, 447635, 537162, 716216, 805743, 895270, 1074324, 1342905, 1432432, 1611486, 1790540, 2148648, 2685810, 2864864, 3222972, 3581080, 4028715, 4297296, 5371620, 6445944, 7162160, 8057430, 8594592, 10743240, 12891888, 14324320, 16114860, 21486480, 25783776, 32229720, 42972960, 64459440, 128918880]

約数ペア:

[(1, 128918880), (2, 64459440), (3, 42972960), (4, 32229720), (5, 25783776), (6, 21486480), (8, 16114860), (9, 14324320), (10, 12891888), (12, 10743240), (15, 8594592), (16, 8057430), (18, 7162160), (20, 6445944), (24, 5371620), (30, 4297296), (32, 4028715), (36, 3581080), (40, 3222972), (45, 2864864), (48, 2685810), (60, 2148648), (72, 1790540), (80, 1611486), (90, 1432432), (96, 1342905), (120, 1074324), (144, 895270), (160, 805743), (180, 716216), (240, 537162), (288, 447635), (360, 358108), (480, 268581), (720, 179054), (1440, 89527)]