51801960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 179988480

約数和(自身を除く): 128186520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 743, 830, 840, 996, 1162, 1245, 1486, 1660, 1743, 1992, 2229, 2324, 2490, 2905, 2972, 3320, 3486, 3715, 4458, 4648, 4980, 5201, 5810, 5944, 6972, 7430, 8715, 8916, 9960, 10402, 11145, 11620, 13944, 14860, 15603, 17430, 17832, 20804, 22290, 23240, 26005, 29720, 31206, 34860, 41608, 44580, 52010, 61669, 62412, 69720, 78015, 89160, 104020, 123338, 124824, 156030, 185007, 208040, 246676, 308345, 312060, 370014, 431683, 493352, 616690, 624120, 740028, 863366, 925035, 1233380, 1295049, 1480056, 1726732, 1850070, 2158415, 2466760, 2590098, 3453464, 3700140, 4316830, 5180196, 6475245, 7400280, 8633660, 10360392, 12950490, 17267320, 25900980, 51801960]

約数ペア:

[(1, 51801960), (2, 25900980), (3, 17267320), (4, 12950490), (5, 10360392), (6, 8633660), (7, 7400280), (8, 6475245), (10, 5180196), (12, 4316830), (14, 3700140), (15, 3453464), (20, 2590098), (21, 2466760), (24, 2158415), (28, 1850070), (30, 1726732), (35, 1480056), (40, 1295049), (42, 1233380), (56, 925035), (60, 863366), (70, 740028), (83, 624120), (84, 616690), (105, 493352), (120, 431683), (140, 370014), (166, 312060), (168, 308345), (210, 246676), (249, 208040), (280, 185007), (332, 156030), (415, 124824), (420, 123338), (498, 104020), (581, 89160), (664, 78015), (743, 69720), (830, 62412), (840, 61669), (996, 52010), (1162, 44580), (1245, 41608), (1486, 34860), (1660, 31206), (1743, 29720), (1992, 26005), (2229, 23240), (2324, 22290), (2490, 20804), (2905, 17832), (2972, 17430), (3320, 15603), (3486, 14860), (3715, 13944), (4458, 11620), (4648, 11145), (4980, 10402), (5201, 9960), (5810, 8916), (5944, 8715), (6972, 7430)]