1215993158100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{4493}}^1$

素因数の和:4582

約数の個数: 972

約数和(自身を含む): 4955739742044

約数和(自身を除く): 3739746583944

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 25, 28, 30, 34, 35, 36, 38, 42, 45, 49, 50, 51, 57, 60, 63, 68, 70, 75, 76, 84, 85, 90, 95, 98, 100, 102, 105, 114, 119, 126, 133, 140, 147, 150, 153, 170, 171, 175, 180, 190, 196, 204, 210, 225, 228, 238, 245, 252, 255, 266, 285, 294, 300, 306, 315, 323, 340, 342, 350, 357, 361, 380, 399, 420, 425, 441, 450, 475, 476, 490, 510, 525, 532, 570, 588, 595, 612, 630, 646, 665, 684, 700, 714, 722, 735, 765, 798, 833, 850, 855, 882, 900, 931, 950, 969, 980, 1020, 1050, 1071, 1083, 1140, 1190, 1197, 1225, 1260, 1275, 1292, 1330, 1425, 1428, 1444, 1470, 1530, 1575, 1596, 1615, 1666, 1700, 1710, 1764, 1785, 1805, 1862, 1900, 1938, 1995, 2100, 2142, 2166, 2205, 2261, 2380, 2394, 2450, 2499, 2527, 2550, 2660, 2793, 2850, 2907, 2940, 2975, 3060, 3150, 3230, 3249, 3325, 3332, 3420, 3570, 3610, 3675, 3724, 3825, 3876, 3990, 4165, 4275, 4284, 4332, 4410, 4493, 4522, 4655, 4788, 4845, 4900, 4998, 5054, 5100, 5355, 5415, 5586, 5700, 5814, 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約数ペア:

[(1, 1215993158100), (2, 607996579050), (3, 405331052700), (4, 303998289525), (5, 243198631620), (6, 202665526350), (7, 173713308300), (9, 135110350900), (10, 121599315810), (12, 101332763175), (14, 86856654150), (15, 81066210540), (17, 71529009300), (18, 67555175450), (19, 63999639900), (20, 60799657905), (21, 57904436100), (25, 48639726324), (28, 43428327075), (30, 40533105270), (34, 35764504650), (35, 34742661660), (36, 33777587725), (38, 31999819950), (42, 28952218050), (45, 27022070180), (49, 24816186900), (50, 24319863162), (51, 23843003100), (57, 21333213300), (60, 20266552635), (63, 19301478700), (68, 17882252325), (70, 17371330830), (75, 16213242108), (76, 15999909975), (84, 14476109025), (85, 14305801860), (90, 13511035090), (95, 12799927980), (98, 12408093450), (100, 12159931581), (102, 11921501550), (105, 11580887220), (114, 10666606650), (119, 10218429900), (126, 9650739350), (133, 9142805700), (140, 8685665415), (147, 8272062300), (150, 8106621054), (153, 7947667700), 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