1651378680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21139}}^1$

素因数の和:21194

約数の個数: 192

約数和(自身を含む): 6331852800

約数和(自身を除く): 4680474120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 21139, 26040, 39060, 42278, 63417, 78120, 84556, 105695, 126834, 147973, 169112, 190251, 211390, 253668, 295946, 317085, 380502, 422780, 443919, 507336, 591892, 634170, 655309, 739865, 761004, 845560, 887838, 951255, 1183784, 1268340, 1310618, 1331757, 1479730, 1522008, 1775676, 1902510, 1965927, 2219595, 2536680, 2621236, 2663514, 2959460, 3276545, 3551352, 3805020, 3931854, 4439190, 4587163, 5242472, 5327028, 5897781, 5918920, 6553090, 6658785, 7610040, 7863708, 8878380, 9174326, 9829635, 10654056, 11795562, 13106180, 13317570, 13761489, 15727416, 17756760, 18348652, 19659270, 22935815, 23591124, 26212360, 26635140, 27522978, 29488905, 36697304, 39318540, 41284467, 45871630, 47182248, 53270280, 55045956, 58977810, 68807445, 78637080, 82568934, 91743260, 110091912, 117955620, 137614890, 165137868, 183486520, 206422335, 235911240, 275229780, 330275736, 412844670, 550459560, 825689340, 1651378680]

約数ペア:

[(1, 1651378680), (2, 825689340), (3, 550459560), (4, 412844670), (5, 330275736), (6, 275229780), (7, 235911240), (8, 206422335), (9, 183486520), (10, 165137868), (12, 137614890), (14, 117955620), (15, 110091912), (18, 91743260), (20, 82568934), (21, 78637080), (24, 68807445), (28, 58977810), (30, 55045956), (31, 53270280), (35, 47182248), (36, 45871630), (40, 41284467), (42, 39318540), (45, 36697304), (56, 29488905), (60, 27522978), (62, 26635140), (63, 26212360), (70, 23591124), (72, 22935815), (84, 19659270), (90, 18348652), (93, 17756760), (105, 15727416), (120, 13761489), (124, 13317570), (126, 13106180), (140, 11795562), (155, 10654056), (168, 9829635), (180, 9174326), (186, 8878380), (210, 7863708), (217, 7610040), (248, 6658785), (252, 6553090), (279, 5918920), (280, 5897781), (310, 5327028), (315, 5242472), (360, 4587163), (372, 4439190), (420, 3931854), (434, 3805020), (465, 3551352), (504, 3276545), (558, 2959460), (620, 2663514), (630, 2621236), (651, 2536680), (744, 2219595), (840, 1965927), (868, 1902510), (930, 1775676), (1085, 1522008), (1116, 1479730), (1240, 1331757), (1260, 1310618), (1302, 1268340), (1395, 1183784), (1736, 951255), (1860, 887838), (1953, 845560), (2170, 761004), (2232, 739865), (2520, 655309), (2604, 634170), (2790, 591892), (3255, 507336), (3720, 443919), (3906, 422780), (4340, 380502), (5208, 317085), (5580, 295946), (6510, 253668), (7812, 211390), (8680, 190251), (9765, 169112), (11160, 147973), (13020, 126834), (15624, 105695), (19530, 84556), (21139, 78120), (26040, 63417), (39060, 42278)]