31136940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 102194400

約数和(自身を除く): 71057460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 109, 115, 135, 138, 180, 207, 218, 230, 270, 276, 327, 345, 414, 436, 460, 529, 540, 545, 621, 654, 690, 828, 981, 1035, 1058, 1090, 1242, 1308, 1380, 1587, 1635, 1962, 2070, 2116, 2180, 2484, 2507, 2645, 2943, 3105, 3174, 3270, 3924, 4140, 4761, 4905, 5014, 5290, 5886, 6210, 6348, 6540, 7521, 7935, 9522, 9810, 10028, 10580, 11772, 12420, 12535, 14283, 14715, 15042, 15870, 19044, 19620, 22563, 23805, 25070, 28566, 29430, 30084, 31740, 37605, 45126, 47610, 50140, 57132, 57661, 58860, 67689, 71415, 75210, 90252, 95220, 112815, 115322, 135378, 142830, 150420, 172983, 225630, 230644, 270756, 285660, 288305, 338445, 345966, 451260, 518949, 576610, 676890, 691932, 864915, 1037898, 1153220, 1353780, 1556847, 1729830, 2075796, 2594745, 3113694, 3459660, 5189490, 6227388, 7784235, 10378980, 15568470, 31136940]

約数ペア:

[(1, 31136940), (2, 15568470), (3, 10378980), (4, 7784235), (5, 6227388), (6, 5189490), (9, 3459660), (10, 3113694), (12, 2594745), (15, 2075796), (18, 1729830), (20, 1556847), (23, 1353780), (27, 1153220), (30, 1037898), (36, 864915), (45, 691932), (46, 676890), (54, 576610), (60, 518949), (69, 451260), (90, 345966), (92, 338445), (108, 288305), (109, 285660), (115, 270756), (135, 230644), (138, 225630), (180, 172983), (207, 150420), (218, 142830), (230, 135378), (270, 115322), (276, 112815), (327, 95220), (345, 90252), (414, 75210), (436, 71415), (460, 67689), (529, 58860), (540, 57661), (545, 57132), (621, 50140), (654, 47610), (690, 45126), (828, 37605), (981, 31740), (1035, 30084), (1058, 29430), (1090, 28566), (1242, 25070), (1308, 23805), (1380, 22563), (1587, 19620), (1635, 19044), (1962, 15870), (2070, 15042), (2116, 14715), (2180, 14283), (2484, 12535), (2507, 12420), (2645, 11772), (2943, 10580), (3105, 10028), (3174, 9810), (3270, 9522), (3924, 7935), (4140, 7521), (4761, 6540), (4905, 6348), (5014, 6210), (5290, 5886)]