31285980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 111283200

約数和(自身を除く): 79997220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 138, 165, 180, 198, 207, 220, 229, 230, 253, 270, 276, 297, 330, 345, 396, 414, 458, 460, 495, 506, 540, 594, 621, 660, 687, 690, 759, 828, 916, 990, 1012, 1035, 1145, 1188, 1242, 1265, 1374, 1380, 1485, 1518, 1980, 2061, 2070, 2277, 2290, 2484, 2519, 2530, 2748, 2970, 3036, 3105, 3435, 3795, 4122, 4140, 4554, 4580, 5038, 5060, 5267, 5940, 6183, 6210, 6831, 6870, 7557, 7590, 8244, 9108, 10076, 10305, 10534, 11385, 12366, 12420, 12595, 13662, 13740, 15114, 15180, 15801, 20610, 21068, 22671, 22770, 24732, 25190, 26335, 27324, 30228, 30915, 31602, 34155, 37785, 41220, 45342, 45540, 47403, 50380, 52670, 57937, 61830, 63204, 68013, 68310, 75570, 79005, 90684, 94806, 105340, 113355, 115874, 123660, 136026, 136620, 142209, 151140, 158010, 173811, 189612, 226710, 231748, 237015, 272052, 284418, 289685, 316020, 340065, 347622, 453420, 474030, 521433, 568836, 579370, 680130, 695244, 711045, 869055, 948060, 1042866, 1158740, 1360260, 1422090, 1564299, 1738110, 2085732, 2607165, 2844180, 3128598, 3476220, 5214330, 6257196, 7821495, 10428660, 15642990, 31285980]

約数ペア:

[(1, 31285980), (2, 15642990), (3, 10428660), (4, 7821495), (5, 6257196), (6, 5214330), (9, 3476220), (10, 3128598), (11, 2844180), (12, 2607165), (15, 2085732), (18, 1738110), (20, 1564299), (22, 1422090), (23, 1360260), (27, 1158740), (30, 1042866), (33, 948060), (36, 869055), (44, 711045), (45, 695244), (46, 680130), (54, 579370), (55, 568836), (60, 521433), (66, 474030), (69, 453420), (90, 347622), (92, 340065), (99, 316020), (108, 289685), (110, 284418), (115, 272052), (132, 237015), (135, 231748), (138, 226710), (165, 189612), (180, 173811), (198, 158010), (207, 151140), (220, 142209), (229, 136620), (230, 136026), (253, 123660), (270, 115874), (276, 113355), (297, 105340), (330, 94806), (345, 90684), (396, 79005), (414, 75570), (458, 68310), (460, 68013), (495, 63204), (506, 61830), (540, 57937), (594, 52670), (621, 50380), (660, 47403), (687, 45540), (690, 45342), (759, 41220), (828, 37785), (916, 34155), (990, 31602), (1012, 30915), (1035, 30228), (1145, 27324), (1188, 26335), (1242, 25190), (1265, 24732), (1374, 22770), (1380, 22671), (1485, 21068), (1518, 20610), (1980, 15801), (2061, 15180), (2070, 15114), (2277, 13740), (2290, 13662), (2484, 12595), (2519, 12420), (2530, 12366), (2748, 11385), (2970, 10534), (3036, 10305), (3105, 10076), (3435, 9108), (3795, 8244), (4122, 7590), (4140, 7557), (4554, 6870), (4580, 6831), (5038, 6210), (5060, 6183), (5267, 5940)]