643837740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3187}}^1$

素因数の和:3256

約数の個数: 192

約数和(自身を含む): 2279445504

約数和(自身を除く): 1635607764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 105, 111, 130, 140, 148, 156, 182, 185, 195, 210, 222, 259, 260, 273, 364, 370, 390, 420, 444, 455, 481, 518, 546, 555, 740, 777, 780, 910, 962, 1036, 1092, 1110, 1295, 1365, 1443, 1554, 1820, 1924, 2220, 2405, 2590, 2730, 2886, 3108, 3187, 3367, 3885, 4810, 5180, 5460, 5772, 6374, 6734, 7215, 7770, 9561, 9620, 10101, 12748, 13468, 14430, 15540, 15935, 16835, 19122, 20202, 22309, 28860, 31870, 33670, 38244, 40404, 41431, 44618, 47805, 50505, 63740, 66927, 67340, 82862, 89236, 95610, 101010, 111545, 117919, 124293, 133854, 165724, 191220, 202020, 207155, 223090, 235838, 248586, 267708, 290017, 334635, 353757, 414310, 446180, 471676, 497172, 580034, 589595, 621465, 669270, 707514, 825433, 828620, 870051, 1160068, 1179190, 1242930, 1338540, 1415028, 1450085, 1532947, 1650866, 1740102, 1768785, 2358380, 2476299, 2485860, 2900170, 3065894, 3301732, 3480204, 3537570, 4127165, 4350255, 4598841, 4952598, 5800340, 6131788, 7075140, 7664735, 8254330, 8700510, 9197682, 9905196, 10730629, 12381495, 15329470, 16508660, 17401020, 18395364, 21461258, 22994205, 24762990, 30658940, 32191887, 42922516, 45988410, 49525980, 53653145, 64383774, 91976820, 107306290, 128767548, 160959435, 214612580, 321918870, 643837740]

約数ペア:

[(1, 643837740), (2, 321918870), (3, 214612580), (4, 160959435), (5, 128767548), (6, 107306290), (7, 91976820), (10, 64383774), (12, 53653145), (13, 49525980), (14, 45988410), (15, 42922516), (20, 32191887), (21, 30658940), (26, 24762990), (28, 22994205), (30, 21461258), (35, 18395364), (37, 17401020), (39, 16508660), (42, 15329470), (52, 12381495), (60, 10730629), (65, 9905196), (70, 9197682), (74, 8700510), (78, 8254330), (84, 7664735), (91, 7075140), (105, 6131788), (111, 5800340), (130, 4952598), (140, 4598841), (148, 4350255), (156, 4127165), (182, 3537570), (185, 3480204), (195, 3301732), (210, 3065894), (222, 2900170), (259, 2485860), (260, 2476299), (273, 2358380), (364, 1768785), (370, 1740102), (390, 1650866), (420, 1532947), (444, 1450085), (455, 1415028), (481, 1338540), (518, 1242930), (546, 1179190), (555, 1160068), (740, 870051), (777, 828620), (780, 825433), (910, 707514), (962, 669270), (1036, 621465), (1092, 589595), (1110, 580034), (1295, 497172), (1365, 471676), (1443, 446180), (1554, 414310), (1820, 353757), (1924, 334635), (2220, 290017), (2405, 267708), (2590, 248586), (2730, 235838), (2886, 223090), (3108, 207155), (3187, 202020), (3367, 191220), (3885, 165724), (4810, 133854), (5180, 124293), (5460, 117919), (5772, 111545), (6374, 101010), (6734, 95610), (7215, 89236), (7770, 82862), (9561, 67340), (9620, 66927), (10101, 63740), (12748, 50505), (13468, 47805), (14430, 44618), (15540, 41431), (15935, 40404), (16835, 38244), (19122, 33670), (20202, 31870), (22309, 28860)]