263688320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 128

約数和(自身を含む): 731462400

約数和(自身を除く): 467774080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 640, 710, 829, 896, 994, 1120, 1136, 1420, 1658, 1988, 2240, 2272, 2485, 2840, 3316, 3976, 4145, 4480, 4544, 4970, 5680, 5803, 6632, 7952, 8290, 9088, 9940, 11360, 11606, 13264, 15904, 16580, 19880, 22720, 23212, 26528, 29015, 31808, 33160, 39760, 45440, 46424, 53056, 58030, 58859, 63616, 66320, 79520, 92848, 106112, 116060, 117718, 132640, 159040, 185696, 232120, 235436, 265280, 294295, 318080, 371392, 412013, 464240, 470872, 530560, 588590, 742784, 824026, 928480, 941744, 1177180, 1648052, 1856960, 1883488, 2060065, 2354360, 3296104, 3713920, 3766976, 4120130, 4708720, 6592208, 7533952, 8240260, 9417440, 13184416, 16480520, 18834880, 26368832, 32961040, 37669760, 52737664, 65922080, 131844160, 263688320]

約数ペア:

[(1, 263688320), (2, 131844160), (4, 65922080), (5, 52737664), (7, 37669760), (8, 32961040), (10, 26368832), (14, 18834880), (16, 16480520), (20, 13184416), (28, 9417440), (32, 8240260), (35, 7533952), (40, 6592208), (56, 4708720), (64, 4120130), (70, 3766976), (71, 3713920), (80, 3296104), (112, 2354360), (128, 2060065), (140, 1883488), (142, 1856960), (160, 1648052), (224, 1177180), (280, 941744), (284, 928480), (320, 824026), (355, 742784), (448, 588590), (497, 530560), (560, 470872), (568, 464240), (640, 412013), (710, 371392), (829, 318080), (896, 294295), (994, 265280), (1120, 235436), (1136, 232120), (1420, 185696), (1658, 159040), (1988, 132640), (2240, 117718), (2272, 116060), (2485, 106112), (2840, 92848), (3316, 79520), (3976, 66320), (4145, 63616), (4480, 58859), (4544, 58030), (4970, 53056), (5680, 46424), (5803, 45440), (6632, 39760), (7952, 33160), (8290, 31808), (9088, 29015), (9940, 26528), (11360, 23212), (11606, 22720), (13264, 19880), (15904, 16580)]