55984140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 178913280

約数和(自身を除く): 122929140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 127, 155, 158, 180, 186, 237, 254, 279, 310, 316, 372, 381, 395, 465, 474, 508, 558, 620, 635, 711, 762, 790, 930, 948, 1116, 1143, 1185, 1270, 1395, 1422, 1524, 1580, 1860, 1905, 2286, 2370, 2449, 2540, 2790, 2844, 3555, 3810, 3937, 4572, 4740, 4898, 5580, 5715, 7110, 7347, 7620, 7874, 9796, 10033, 11430, 11811, 12245, 14220, 14694, 15748, 19685, 20066, 22041, 22860, 23622, 24490, 29388, 30099, 35433, 36735, 39370, 40132, 44082, 47244, 48980, 50165, 59055, 60198, 70866, 73470, 78740, 88164, 90297, 100330, 110205, 118110, 120396, 141732, 146940, 150495, 177165, 180594, 200660, 220410, 236220, 300990, 311023, 354330, 361188, 440820, 451485, 601980, 622046, 708660, 902970, 933069, 1244092, 1555115, 1805940, 1866138, 2799207, 3110230, 3732276, 4665345, 5598414, 6220460, 9330690, 11196828, 13996035, 18661380, 27992070, 55984140]

約数ペア:

[(1, 55984140), (2, 27992070), (3, 18661380), (4, 13996035), (5, 11196828), (6, 9330690), (9, 6220460), (10, 5598414), (12, 4665345), (15, 3732276), (18, 3110230), (20, 2799207), (30, 1866138), (31, 1805940), (36, 1555115), (45, 1244092), (60, 933069), (62, 902970), (79, 708660), (90, 622046), (93, 601980), (124, 451485), (127, 440820), (155, 361188), (158, 354330), (180, 311023), (186, 300990), (237, 236220), (254, 220410), (279, 200660), (310, 180594), (316, 177165), (372, 150495), (381, 146940), (395, 141732), (465, 120396), (474, 118110), (508, 110205), (558, 100330), (620, 90297), (635, 88164), (711, 78740), (762, 73470), (790, 70866), (930, 60198), (948, 59055), (1116, 50165), (1143, 48980), (1185, 47244), (1270, 44082), (1395, 40132), (1422, 39370), (1524, 36735), (1580, 35433), (1860, 30099), (1905, 29388), (2286, 24490), (2370, 23622), (2449, 22860), (2540, 22041), (2790, 20066), (2844, 19685), (3555, 15748), (3810, 14694), (3937, 14220), (4572, 12245), (4740, 11811), (4898, 11430), (5580, 10033), (5715, 9796), (7110, 7874), (7347, 7620)]