438379920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55351}}^1$

素因数の和:55381

約数の個数: 120

約数和(自身を含む): 1606093632

約数和(自身を除く): 1167713712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 55351, 110702, 166053, 221404, 276755, 332106, 442808, 498159, 553510, 608861, 664212, 830265, 885616, 996318, 1107020, 1217722, 1328424, 1660530, 1826583, 1992636, 2214040, 2435444, 2490795, 2656848, 3044305, 3321060, 3653166, 3985272, 4428080, 4870888, 4981590, 5479749, 6088610, 6642120, 7306332, 7970544, 9132915, 9741776, 9963180, 10959498, 12177220, 13284240, 14612664, 18265830, 19926360, 21918996, 24354440, 27398745, 29225328, 36531660, 39852720, 43837992, 48708880, 54797490, 73063320, 87675984, 109594980, 146126640, 219189960, 438379920]

約数ペア:

[(1, 438379920), (2, 219189960), (3, 146126640), (4, 109594980), (5, 87675984), (6, 73063320), (8, 54797490), (9, 48708880), (10, 43837992), (11, 39852720), (12, 36531660), (15, 29225328), (16, 27398745), (18, 24354440), (20, 21918996), (22, 19926360), (24, 18265830), (30, 14612664), (33, 13284240), (36, 12177220), (40, 10959498), (44, 9963180), (45, 9741776), (48, 9132915), (55, 7970544), (60, 7306332), (66, 6642120), (72, 6088610), (80, 5479749), (88, 4981590), (90, 4870888), (99, 4428080), (110, 3985272), (120, 3653166), (132, 3321060), (144, 3044305), (165, 2656848), (176, 2490795), (180, 2435444), (198, 2214040), (220, 1992636), (240, 1826583), (264, 1660530), (330, 1328424), (360, 1217722), (396, 1107020), (440, 996318), (495, 885616), (528, 830265), (660, 664212), (720, 608861), (792, 553510), (880, 498159), (990, 442808), (1320, 332106), (1584, 276755), (1980, 221404), (2640, 166053), (3960, 110702), (7920, 55351)]