221839920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5131

約数の個数: 120

約数和(自身を含む): 757375632

約数和(自身を除く): 535535712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5051, 5490, 7320, 8784, 10102, 10980, 14640, 15153, 20204, 21960, 25255, 30306, 40408, 43920, 45459, 50510, 60612, 75765, 80816, 90918, 101020, 121224, 151530, 181836, 202040, 227295, 242448, 303060, 308111, 363672, 404080, 454590, 606120, 616222, 727344, 909180, 924333, 1212240, 1232444, 1540555, 1818360, 1848666, 2464888, 2772999, 3081110, 3636720, 3697332, 4621665, 4929776, 5545998, 6162220, 7394664, 9243330, 11091996, 12324440, 13864995, 14789328, 18486660, 22183992, 24648880, 27729990, 36973320, 44367984, 55459980, 73946640, 110919960, 221839920]

約数ペア:

[(1, 221839920), (2, 110919960), (3, 73946640), (4, 55459980), (5, 44367984), (6, 36973320), (8, 27729990), (9, 24648880), (10, 22183992), (12, 18486660), (15, 14789328), (16, 13864995), (18, 12324440), (20, 11091996), (24, 9243330), (30, 7394664), (36, 6162220), (40, 5545998), (45, 4929776), (48, 4621665), (60, 3697332), (61, 3636720), (72, 3081110), (80, 2772999), (90, 2464888), (120, 1848666), (122, 1818360), (144, 1540555), (180, 1232444), (183, 1212240), (240, 924333), (244, 909180), (305, 727344), (360, 616222), (366, 606120), (488, 454590), (549, 404080), (610, 363672), (720, 308111), (732, 303060), (915, 242448), (976, 227295), (1098, 202040), (1220, 181836), (1464, 151530), (1830, 121224), (2196, 101020), (2440, 90918), (2745, 80816), (2928, 75765), (3660, 60612), (4392, 50510), (4880, 45459), (5051, 43920), (5490, 40408), (7320, 30306), (8784, 25255), (10102, 21960), (10980, 20204), (14640, 15153)]