1981264560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:664

約数の個数: 320

約数和(自身を含む): 7089831936

約数和(自身を除く): 5108567376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 43, 44, 48, 55, 60, 62, 66, 80, 86, 88, 93, 110, 120, 124, 129, 132, 155, 165, 172, 176, 186, 215, 220, 240, 248, 258, 264, 310, 330, 341, 344, 372, 430, 440, 465, 473, 496, 516, 528, 563, 620, 645, 660, 682, 688, 744, 860, 880, 930, 946, 1023, 1032, 1126, 1240, 1290, 1320, 1333, 1364, 1419, 1488, 1689, 1705, 1720, 1860, 1892, 2046, 2064, 2252, 2365, 2480, 2580, 2640, 2666, 2728, 2815, 2838, 3378, 3410, 3440, 3720, 3784, 3999, 4092, 4504, 4730, 5115, 5160, 5332, 5456, 5630, 5676, 6193, 6665, 6756, 6820, 7095, 7440, 7568, 7998, 8184, 8445, 9008, 9460, 10230, 10320, 10664, 11260, 11352, 12386, 13330, 13512, 13640, 14190, 14663, 15996, 16368, 16890, 17453, 18579, 18920, 19995, 20460, 21328, 22520, 22704, 24209, 24772, 26660, 27024, 27280, 28380, 29326, 30965, 31992, 33780, 34906, 37158, 37840, 39990, 40920, 43989, 45040, 48418, 49544, 52359, 53320, 56760, 58652, 61930, 63984, 67560, 69812, 72627, 73315, 74316, 79980, 81840, 87265, 87978, 92895, 96836, 99088, 104718, 106640, 113520, 117304, 121045, 123860, 135120, 139624, 145254, 146630, 148632, 159960, 174530, 175956, 185790, 191983, 193672, 209436, 219945, 234608, 242090, 247720, 261795, 266299, 279248, 290508, 293260, 297264, 319920, 349060, 351912, 363135, 371580, 383966, 387344, 418872, 439890, 484180, 495440, 523590, 532598, 575949, 581016, 586520, 698120, 703824, 726270, 743160, 750479, 767932, 798897, 837744, 879780, 959915, 968360, 1047180, 1065196, 1151898, 1162032, 1173040, 1331495, 1396240, 1452540, 1486320, 1500958, 1535864, 1597794, 1759560, 1919830, 1936720, 2094360, 2130392, 2251437, 2303796, 2662990, 2879745, 2905080, 3001916, 3071728, 3195588, 3519120, 3752395, 3839660, 3994485, 4188720, 4260784, 4502874, 4607592, 5325980, 5759490, 5810160, 6003832, 6391176, 7504790, 7679320, 7988970, 8255269, 9005748, 9215184, 10651960, 11257185, 11518980, 12007664, 12782352, 15009580, 15358640, 15977940, 16510538, 18011496, 21303920, 22514370, 23037960, 24765807, 30019160, 31955880, 33021076, 36022992, 41276345, 45028740, 46075920, 49531614, 60038320, 63911760, 66042152, 82552690, 90057480, 99063228, 123829035, 132084304, 165105380, 180114960, 198126456, 247658070, 330210760, 396252912, 495316140, 660421520, 990632280, 1981264560]

約数ペア:

[(1, 1981264560), (2, 990632280), (3, 660421520), (4, 495316140), (5, 396252912), (6, 330210760), (8, 247658070), (10, 198126456), (11, 180114960), (12, 165105380), (15, 132084304), (16, 123829035), (20, 99063228), (22, 90057480), (24, 82552690), (30, 66042152), (31, 63911760), (33, 60038320), (40, 49531614), (43, 46075920), (44, 45028740), (48, 41276345), (55, 36022992), (60, 33021076), (62, 31955880), (66, 30019160), (80, 24765807), (86, 23037960), (88, 22514370), (93, 21303920), (110, 18011496), (120, 16510538), (124, 15977940), (129, 15358640), (132, 15009580), (155, 12782352), (165, 12007664), (172, 11518980), (176, 11257185), (186, 10651960), (215, 9215184), (220, 9005748), (240, 8255269), (248, 7988970), (258, 7679320), (264, 7504790), (310, 6391176), (330, 6003832), (341, 5810160), (344, 5759490), (372, 5325980), (430, 4607592), (440, 4502874), (465, 4260784), (473, 4188720), (496, 3994485), (516, 3839660), (528, 3752395), (563, 3519120), (620, 3195588), (645, 3071728), (660, 3001916), (682, 2905080), (688, 2879745), (744, 2662990), (860, 2303796), (880, 2251437), (930, 2130392), (946, 2094360), (1023, 1936720), (1032, 1919830), (1126, 1759560), (1240, 1597794), (1290, 1535864), (1320, 1500958), (1333, 1486320), (1364, 1452540), (1419, 1396240), (1488, 1331495), (1689, 1173040), (1705, 1162032), (1720, 1151898), (1860, 1065196), (1892, 1047180), (2046, 968360), (2064, 959915), (2252, 879780), (2365, 837744), (2480, 798897), (2580, 767932), (2640, 750479), (2666, 743160), (2728, 726270), (2815, 703824), (2838, 698120), (3378, 586520), (3410, 581016), (3440, 575949), (3720, 532598), (3784, 523590), (3999, 495440), (4092, 484180), (4504, 439890), (4730, 418872), (5115, 387344), (5160, 383966), (5332, 371580), (5456, 363135), (5630, 351912), (5676, 349060), (6193, 319920), (6665, 297264), (6756, 293260), (6820, 290508), (7095, 279248), (7440, 266299), (7568, 261795), (7998, 247720), (8184, 242090), (8445, 234608), (9008, 219945), (9460, 209436), (10230, 193672), (10320, 191983), (10664, 185790), (11260, 175956), (11352, 174530), (12386, 159960), (13330, 148632), (13512, 146630), (13640, 145254), (14190, 139624), (14663, 135120), (15996, 123860), (16368, 121045), (16890, 117304), (17453, 113520), (18579, 106640), (18920, 104718), (19995, 99088), (20460, 96836), (21328, 92895), (22520, 87978), (22704, 87265), (24209, 81840), (24772, 79980), (26660, 74316), (27024, 73315), (27280, 72627), (28380, 69812), (29326, 67560), (30965, 63984), (31992, 61930), (33780, 58652), (34906, 56760), (37158, 53320), (37840, 52359), (39990, 49544), (40920, 48418), (43989, 45040)]