7638841980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{551143}}^1$

素因数の和:551176

約数の個数: 144

約数和(自身を含む): 28888763904

約数和(自身を除く): 21249921924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 551143, 1102286, 1653429, 2204572, 2755715, 3306858, 3858001, 4960287, 5511430, 6062573, 6613716, 7716002, 8267145, 9920574, 11022860, 11574003, 12125146, 15432004, 16534290, 18187719, 19290005, 19841148, 23148006, 24250292, 24801435, 30312865, 33068580, 34722009, 36375438, 38580010, 42438011, 46296012, 49602870, 54563157, 57870015, 60625730, 69444018, 72750876, 77160020, 84876022, 90938595, 99205740, 109126314, 115740030, 121251460, 127314033, 138888036, 169752044, 173610045, 181877190, 212190055, 218252628, 231480060, 254628066, 272815785, 347220090, 363754380, 381942099, 424380110, 509256132, 545631570, 636570165, 694440180, 763884198, 848760220, 1091263140, 1273140330, 1527768396, 1909710495, 2546280660, 3819420990, 7638841980]

約数ペア:

[(1, 7638841980), (2, 3819420990), (3, 2546280660), (4, 1909710495), (5, 1527768396), (6, 1273140330), (7, 1091263140), (9, 848760220), (10, 763884198), (11, 694440180), (12, 636570165), (14, 545631570), (15, 509256132), (18, 424380110), (20, 381942099), (21, 363754380), (22, 347220090), (28, 272815785), (30, 254628066), (33, 231480060), (35, 218252628), (36, 212190055), (42, 181877190), (44, 173610045), (45, 169752044), (55, 138888036), (60, 127314033), (63, 121251460), (66, 115740030), (70, 109126314), (77, 99205740), (84, 90938595), (90, 84876022), (99, 77160020), (105, 72750876), (110, 69444018), (126, 60625730), (132, 57870015), (140, 54563157), (154, 49602870), (165, 46296012), (180, 42438011), (198, 38580010), (210, 36375438), (220, 34722009), (231, 33068580), (252, 30312865), (308, 24801435), (315, 24250292), (330, 23148006), (385, 19841148), (396, 19290005), (420, 18187719), (462, 16534290), (495, 15432004), (630, 12125146), (660, 11574003), (693, 11022860), (770, 9920574), (924, 8267145), (990, 7716002), (1155, 6613716), (1260, 6062573), (1386, 5511430), (1540, 4960287), (1980, 3858001), (2310, 3306858), (2772, 2755715), (3465, 2204572), (4620, 1653429), (6930, 1102286), (13860, 551143)]