245042560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 678585600

約数和(自身を除く): 433543040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 280, 320, 332, 415, 448, 560, 581, 640, 659, 664, 830, 896, 1120, 1162, 1318, 1328, 1660, 2240, 2324, 2636, 2656, 2905, 3295, 3320, 4480, 4613, 4648, 5272, 5312, 5810, 6590, 6640, 9226, 9296, 10544, 10624, 11620, 13180, 13280, 18452, 18592, 21088, 23065, 23240, 26360, 26560, 36904, 37184, 42176, 46130, 46480, 52720, 53120, 54697, 73808, 74368, 84352, 92260, 92960, 105440, 109394, 147616, 184520, 185920, 210880, 218788, 273485, 295232, 369040, 371840, 382879, 421760, 437576, 546970, 590464, 738080, 765758, 875152, 1093940, 1476160, 1531516, 1750304, 1914395, 2187880, 2952320, 3063032, 3500608, 3828790, 4375760, 6126064, 7001216, 7657580, 8751520, 12252128, 15315160, 17503040, 24504256, 30630320, 35006080, 49008512, 61260640, 122521280, 245042560]

約数ペア:

[(1, 245042560), (2, 122521280), (4, 61260640), (5, 49008512), (7, 35006080), (8, 30630320), (10, 24504256), (14, 17503040), (16, 15315160), (20, 12252128), (28, 8751520), (32, 7657580), (35, 7001216), (40, 6126064), (56, 4375760), (64, 3828790), (70, 3500608), (80, 3063032), (83, 2952320), (112, 2187880), (128, 1914395), (140, 1750304), (160, 1531516), (166, 1476160), (224, 1093940), (280, 875152), (320, 765758), (332, 738080), (415, 590464), (448, 546970), (560, 437576), (581, 421760), (640, 382879), (659, 371840), (664, 369040), (830, 295232), (896, 273485), (1120, 218788), (1162, 210880), (1318, 185920), (1328, 184520), (1660, 147616), (2240, 109394), (2324, 105440), (2636, 92960), (2656, 92260), (2905, 84352), (3295, 74368), (3320, 73808), (4480, 54697), (4613, 53120), (4648, 52720), (5272, 46480), (5312, 46130), (5810, 42176), (6590, 37184), (6640, 36904), (9226, 26560), (9296, 26360), (10544, 23240), (10624, 23065), (11620, 21088), (13180, 18592), (13280, 18452)]