31371120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 122215392

約数和(自身を除く): 90844272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 132, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 233, 240, 255, 264, 272, 306, 330, 340, 360, 374, 396, 408, 440, 466, 495, 510, 528, 561, 612, 660, 680, 699, 720, 748, 765, 792, 816, 880, 932, 935, 990, 1020, 1122, 1165, 1224, 1320, 1360, 1398, 1496, 1530, 1584, 1683, 1864, 1870, 1980, 2040, 2097, 2244, 2330, 2448, 2563, 2640, 2796, 2805, 2992, 3060, 3366, 3495, 3728, 3740, 3960, 3961, 4080, 4194, 4488, 4660, 5126, 5592, 5610, 6120, 6732, 6990, 7480, 7689, 7920, 7922, 8388, 8415, 8976, 9320, 10252, 10485, 11184, 11220, 11883, 12240, 12815, 13464, 13980, 14960, 15378, 15844, 16776, 16830, 18640, 19805, 20504, 20970, 22440, 23067, 23766, 25630, 26928, 27960, 30756, 31688, 33552, 33660, 35649, 38445, 39610, 41008, 41940, 43571, 44880, 46134, 47532, 51260, 55920, 59415, 61512, 63376, 67320, 71298, 76890, 79220, 83880, 87142, 92268, 95064, 102520, 115335, 118830, 123024, 130713, 134640, 142596, 153780, 158440, 167760, 174284, 178245, 184536, 190128, 205040, 217855, 230670, 237660, 261426, 285192, 307560, 316880, 348568, 356490, 369072, 392139, 435710, 461340, 475320, 522852, 570384, 615120, 653565, 697136, 712980, 784278, 871420, 922680, 950640, 1045704, 1307130, 1425960, 1568556, 1742840, 1845360, 1960695, 2091408, 2614260, 2851920, 3137112, 3485680, 3921390, 5228520, 6274224, 7842780, 10457040, 15685560, 31371120]

約数ペア:

[(1, 31371120), (2, 15685560), (3, 10457040), (4, 7842780), (5, 6274224), (6, 5228520), (8, 3921390), (9, 3485680), (10, 3137112), (11, 2851920), (12, 2614260), (15, 2091408), (16, 1960695), (17, 1845360), (18, 1742840), (20, 1568556), (22, 1425960), (24, 1307130), (30, 1045704), (33, 950640), (34, 922680), (36, 871420), (40, 784278), (44, 712980), (45, 697136), (48, 653565), (51, 615120), (55, 570384), (60, 522852), (66, 475320), (68, 461340), (72, 435710), (80, 392139), (85, 369072), (88, 356490), (90, 348568), (99, 316880), (102, 307560), (110, 285192), (120, 261426), (132, 237660), (136, 230670), (144, 217855), (153, 205040), (165, 190128), (170, 184536), (176, 178245), (180, 174284), (187, 167760), (198, 158440), (204, 153780), (220, 142596), (233, 134640), (240, 130713), (255, 123024), (264, 118830), (272, 115335), (306, 102520), (330, 95064), (340, 92268), (360, 87142), (374, 83880), (396, 79220), (408, 76890), (440, 71298), (466, 67320), (495, 63376), (510, 61512), (528, 59415), (561, 55920), (612, 51260), (660, 47532), (680, 46134), (699, 44880), (720, 43571), (748, 41940), (765, 41008), (792, 39610), (816, 38445), (880, 35649), (932, 33660), (935, 33552), (990, 31688), (1020, 30756), (1122, 27960), (1165, 26928), (1224, 25630), (1320, 23766), (1360, 23067), (1398, 22440), (1496, 20970), (1530, 20504), (1584, 19805), (1683, 18640), (1864, 16830), (1870, 16776), (1980, 15844), (2040, 15378), (2097, 14960), (2244, 13980), (2330, 13464), (2448, 12815), (2563, 12240), (2640, 11883), (2796, 11220), (2805, 11184), (2992, 10485), (3060, 10252), (3366, 9320), (3495, 8976), (3728, 8415), (3740, 8388), (3960, 7922), (3961, 7920), (4080, 7689), (4194, 7480), (4488, 6990), (4660, 6732), (5126, 6120), (5592, 5610)]