1281547440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19139}}^1$

素因数の和:19192

約数の個数: 160

約数和(自身を含む): 4556851200

約数和(自身を除く): 3275303760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 19139, 22320, 33480, 38278, 57417, 66960, 76556, 95695, 114834, 153112, 172251, 191390, 229668, 287085, 306224, 344502, 382780, 459336, 516753, 574170, 593309, 689004, 765560, 861255, 918672, 1033506, 1148340, 1186618, 1378008, 1531120, 1722510, 1779927, 2067012, 2296680, 2373236, 2583765, 2756016, 2966545, 3445020, 3559854, 4134024, 4593360, 4746472, 5167530, 5339781, 5933090, 6890040, 7119708, 8268048, 8899635, 9492944, 10335060, 10679562, 11866180, 13780080, 14239416, 16019343, 17799270, 20670120, 21359124, 23732360, 26698905, 28478832, 32038686, 35598540, 41340240, 42718248, 47464720, 53397810, 64077372, 71197080, 80096715, 85436496, 106795620, 128154744, 142394160, 160193430, 213591240, 256309488, 320386860, 427182480, 640773720, 1281547440]

約数ペア:

[(1, 1281547440), (2, 640773720), (3, 427182480), (4, 320386860), (5, 256309488), (6, 213591240), (8, 160193430), (9, 142394160), (10, 128154744), (12, 106795620), (15, 85436496), (16, 80096715), (18, 71197080), (20, 64077372), (24, 53397810), (27, 47464720), (30, 42718248), (31, 41340240), (36, 35598540), (40, 32038686), (45, 28478832), (48, 26698905), (54, 23732360), (60, 21359124), (62, 20670120), (72, 17799270), (80, 16019343), (90, 14239416), (93, 13780080), (108, 11866180), (120, 10679562), (124, 10335060), (135, 9492944), (144, 8899635), (155, 8268048), (180, 7119708), (186, 6890040), (216, 5933090), (240, 5339781), (248, 5167530), (270, 4746472), (279, 4593360), (310, 4134024), (360, 3559854), (372, 3445020), (432, 2966545), (465, 2756016), (496, 2583765), (540, 2373236), (558, 2296680), (620, 2067012), (720, 1779927), (744, 1722510), (837, 1531120), (930, 1378008), (1080, 1186618), (1116, 1148340), (1240, 1033506), (1395, 918672), (1488, 861255), (1674, 765560), (1860, 689004), (2160, 593309), (2232, 574170), (2480, 516753), (2790, 459336), (3348, 382780), (3720, 344502), (4185, 306224), (4464, 287085), (5580, 229668), (6696, 191390), (7440, 172251), (8370, 153112), (11160, 114834), (13392, 95695), (16740, 76556), (19139, 66960), (22320, 57417), (33480, 38278)]