12071780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 30472512

約数和(自身を除く): 18400732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 163, 230, 322, 326, 460, 529, 644, 652, 805, 815, 1058, 1141, 1610, 1630, 2116, 2282, 2645, 3220, 3260, 3703, 3749, 4564, 5290, 5705, 7406, 7498, 10580, 11410, 14812, 14996, 18515, 18745, 22820, 26243, 37030, 37490, 52486, 74060, 74980, 86227, 104972, 131215, 172454, 262430, 344908, 431135, 524860, 603589, 862270, 1207178, 1724540, 2414356, 3017945, 6035890, 12071780]

約数ペア:

[(1, 12071780), (2, 6035890), (4, 3017945), (5, 2414356), (7, 1724540), (10, 1207178), (14, 862270), (20, 603589), (23, 524860), (28, 431135), (35, 344908), (46, 262430), (70, 172454), (92, 131215), (115, 104972), (140, 86227), (161, 74980), (163, 74060), (230, 52486), (322, 37490), (326, 37030), (460, 26243), (529, 22820), (644, 18745), (652, 18515), (805, 14996), (815, 14812), (1058, 11410), (1141, 10580), (1610, 7498), (1630, 7406), (2116, 5705), (2282, 5290), (2645, 4564), (3220, 3749), (3260, 3703)]