254564320

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 96

約数和(自身を含む): 630594720

約数和(自身を除く): 376030400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 83, 116, 145, 160, 166, 232, 290, 332, 415, 464, 580, 661, 664, 830, 928, 1160, 1322, 1328, 1660, 2320, 2407, 2644, 2656, 3305, 3320, 4640, 4814, 5288, 6610, 6640, 9628, 10576, 12035, 13220, 13280, 19169, 19256, 21152, 24070, 26440, 38338, 38512, 48140, 52880, 54863, 76676, 77024, 95845, 96280, 105760, 109726, 153352, 191690, 192560, 219452, 274315, 306704, 383380, 385120, 438904, 548630, 613408, 766760, 877808, 1097260, 1533520, 1591027, 1755616, 2194520, 3067040, 3182054, 4389040, 6364108, 7955135, 8778080, 12728216, 15910270, 25456432, 31820540, 50912864, 63641080, 127282160, 254564320]

約数ペア:

[(1, 254564320), (2, 127282160), (4, 63641080), (5, 50912864), (8, 31820540), (10, 25456432), (16, 15910270), (20, 12728216), (29, 8778080), (32, 7955135), (40, 6364108), (58, 4389040), (80, 3182054), (83, 3067040), (116, 2194520), (145, 1755616), (160, 1591027), (166, 1533520), (232, 1097260), (290, 877808), (332, 766760), (415, 613408), (464, 548630), (580, 438904), (661, 385120), (664, 383380), (830, 306704), (928, 274315), (1160, 219452), (1322, 192560), (1328, 191690), (1660, 153352), (2320, 109726), (2407, 105760), (2644, 96280), (2656, 95845), (3305, 77024), (3320, 76676), (4640, 54863), (4814, 52880), (5288, 48140), (6610, 38512), (6640, 38338), (9628, 26440), (10576, 24070), (12035, 21152), (13220, 19256), (13280, 19169)]