201680520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1047

約数の個数: 128

約数和(自身を含む): 647222400

約数和(自身を除く): 445541880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 109, 120, 136, 170, 204, 218, 255, 327, 340, 408, 436, 510, 545, 654, 680, 872, 907, 1020, 1090, 1308, 1635, 1814, 1853, 2040, 2180, 2616, 2721, 3270, 3628, 3706, 4360, 4535, 5442, 5559, 6540, 7256, 7412, 9070, 9265, 10884, 11118, 13080, 13605, 14824, 15419, 18140, 18530, 21768, 22236, 27210, 27795, 30838, 36280, 37060, 44472, 46257, 54420, 55590, 61676, 74120, 77095, 92514, 98863, 108840, 111180, 123352, 154190, 185028, 197726, 222360, 231285, 296589, 308380, 370056, 395452, 462570, 494315, 593178, 616760, 790904, 925140, 988630, 1186356, 1482945, 1680671, 1850280, 1977260, 2372712, 2965890, 3361342, 3954520, 5042013, 5931780, 6722684, 8403355, 10084026, 11863560, 13445368, 16806710, 20168052, 25210065, 33613420, 40336104, 50420130, 67226840, 100840260, 201680520]

約数ペア:

[(1, 201680520), (2, 100840260), (3, 67226840), (4, 50420130), (5, 40336104), (6, 33613420), (8, 25210065), (10, 20168052), (12, 16806710), (15, 13445368), (17, 11863560), (20, 10084026), (24, 8403355), (30, 6722684), (34, 5931780), (40, 5042013), (51, 3954520), (60, 3361342), (68, 2965890), (85, 2372712), (102, 1977260), (109, 1850280), (120, 1680671), (136, 1482945), (170, 1186356), (204, 988630), (218, 925140), (255, 790904), (327, 616760), (340, 593178), (408, 494315), (436, 462570), (510, 395452), (545, 370056), (654, 308380), (680, 296589), (872, 231285), (907, 222360), (1020, 197726), (1090, 185028), (1308, 154190), (1635, 123352), (1814, 111180), (1853, 108840), (2040, 98863), (2180, 92514), (2616, 77095), (2721, 74120), (3270, 61676), (3628, 55590), (3706, 54420), (4360, 46257), (4535, 44472), (5442, 37060), (5559, 36280), (6540, 30838), (7256, 27795), (7412, 27210), (9070, 22236), (9265, 21768), (10884, 18530), (11118, 18140), (13080, 15419), (13605, 14824)]