189350640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1071

約数の個数: 120

約数和(自身を含む): 638448720

約数和(自身を除く): 449098080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 409, 643, 720, 818, 1227, 1286, 1636, 1929, 2045, 2454, 2572, 3215, 3272, 3681, 3858, 4090, 4908, 5144, 5787, 6135, 6430, 6544, 7362, 7716, 8180, 9645, 9816, 10288, 11574, 12270, 12860, 14724, 15432, 16360, 18405, 19290, 19632, 23148, 24540, 25720, 28935, 29448, 30864, 32720, 36810, 38580, 46296, 49080, 51440, 57870, 58896, 73620, 77160, 92592, 98160, 115740, 147240, 154320, 231480, 262987, 294480, 462960, 525974, 788961, 1051948, 1314935, 1577922, 2103896, 2366883, 2629870, 3155844, 3944805, 4207792, 4733766, 5259740, 6311688, 7889610, 9467532, 10519480, 11834415, 12623376, 15779220, 18935064, 21038960, 23668830, 31558440, 37870128, 47337660, 63116880, 94675320, 189350640]

約数ペア:

[(1, 189350640), (2, 94675320), (3, 63116880), (4, 47337660), (5, 37870128), (6, 31558440), (8, 23668830), (9, 21038960), (10, 18935064), (12, 15779220), (15, 12623376), (16, 11834415), (18, 10519480), (20, 9467532), (24, 7889610), (30, 6311688), (36, 5259740), (40, 4733766), (45, 4207792), (48, 3944805), (60, 3155844), (72, 2629870), (80, 2366883), (90, 2103896), (120, 1577922), (144, 1314935), (180, 1051948), (240, 788961), (360, 525974), (409, 462960), (643, 294480), (720, 262987), (818, 231480), (1227, 154320), (1286, 147240), (1636, 115740), (1929, 98160), (2045, 92592), (2454, 77160), (2572, 73620), (3215, 58896), (3272, 57870), (3681, 51440), (3858, 49080), (4090, 46296), (4908, 38580), (5144, 36810), (5787, 32720), (6135, 30864), (6430, 29448), (6544, 28935), (7362, 25720), (7716, 24540), (8180, 23148), (9645, 19632), (9816, 19290), (10288, 18405), (11574, 16360), (12270, 15432), (12860, 14724)]