1320408720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2861}}^1$

素因数の和:3521

約数の個数: 120

約数和(自身を含む): 4442842872

約数和(自身を除く): 3122434152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 641, 720, 1282, 1923, 2564, 2861, 3205, 3846, 5128, 5722, 5769, 6410, 7692, 8583, 9615, 10256, 11444, 11538, 12820, 14305, 15384, 17166, 19230, 22888, 23076, 25640, 25749, 28610, 28845, 30768, 34332, 38460, 42915, 45776, 46152, 51280, 51498, 57220, 57690, 68664, 76920, 85830, 92304, 102996, 114440, 115380, 128745, 137328, 153840, 171660, 205992, 228880, 230760, 257490, 343320, 411984, 461520, 514980, 686640, 1029960, 1833901, 2059920, 3667802, 5501703, 7335604, 9169505, 11003406, 14671208, 16505109, 18339010, 22006812, 27508515, 29342416, 33010218, 36678020, 44013624, 55017030, 66020436, 73356040, 82525545, 88027248, 110034060, 132040872, 146712080, 165051090, 220068120, 264081744, 330102180, 440136240, 660204360, 1320408720]

約数ペア:

[(1, 1320408720), (2, 660204360), (3, 440136240), (4, 330102180), (5, 264081744), (6, 220068120), (8, 165051090), (9, 146712080), (10, 132040872), (12, 110034060), (15, 88027248), (16, 82525545), (18, 73356040), (20, 66020436), (24, 55017030), (30, 44013624), (36, 36678020), (40, 33010218), (45, 29342416), (48, 27508515), (60, 22006812), (72, 18339010), (80, 16505109), (90, 14671208), (120, 11003406), (144, 9169505), (180, 7335604), (240, 5501703), (360, 3667802), (641, 2059920), (720, 1833901), (1282, 1029960), (1923, 686640), (2564, 514980), (2861, 461520), (3205, 411984), (3846, 343320), (5128, 257490), (5722, 230760), (5769, 228880), (6410, 205992), (7692, 171660), (8583, 153840), (9615, 137328), (10256, 128745), (11444, 115380), (11538, 114440), (12820, 102996), (14305, 92304), (15384, 85830), (17166, 76920), (19230, 68664), (22888, 57690), (23076, 57220), (25640, 51498), (25749, 51280), (28610, 46152), (28845, 45776), (30768, 42915), (34332, 38460)]