15721898040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{55351}}^1$

素因数の和:55634

約数の個数: 128

約数和(自身を含む): 52606540800

約数和(自身を除く): 36884642760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 263, 270, 360, 526, 540, 789, 1052, 1080, 1315, 1578, 2104, 2367, 2630, 3156, 3945, 4734, 5260, 6312, 7101, 7890, 9468, 10520, 11835, 14202, 15780, 18936, 23670, 28404, 31560, 35505, 47340, 55351, 56808, 71010, 94680, 110702, 142020, 166053, 221404, 276755, 284040, 332106, 442808, 498159, 553510, 664212, 830265, 996318, 1107020, 1328424, 1494477, 1660530, 1992636, 2214040, 2490795, 2988954, 3321060, 3985272, 4981590, 5977908, 6642120, 7472385, 9963180, 11955816, 14557313, 14944770, 19926360, 29114626, 29889540, 43671939, 58229252, 59779080, 72786565, 87343878, 116458504, 131015817, 145573130, 174687756, 218359695, 262031634, 291146260, 349375512, 393047451, 436719390, 524063268, 582292520, 655079085, 786094902, 873438780, 1048126536, 1310158170, 1572189804, 1746877560, 1965237255, 2620316340, 3144379608, 3930474510, 5240632680, 7860949020, 15721898040]

約数ペア:

[(1, 15721898040), (2, 7860949020), (3, 5240632680), (4, 3930474510), (5, 3144379608), (6, 2620316340), (8, 1965237255), (9, 1746877560), (10, 1572189804), (12, 1310158170), (15, 1048126536), (18, 873438780), (20, 786094902), (24, 655079085), (27, 582292520), (30, 524063268), (36, 436719390), (40, 393047451), (45, 349375512), (54, 291146260), (60, 262031634), (72, 218359695), (90, 174687756), (108, 145573130), (120, 131015817), (135, 116458504), (180, 87343878), (216, 72786565), (263, 59779080), (270, 58229252), (360, 43671939), (526, 29889540), (540, 29114626), (789, 19926360), (1052, 14944770), (1080, 14557313), (1315, 11955816), (1578, 9963180), (2104, 7472385), (2367, 6642120), (2630, 5977908), (3156, 4981590), (3945, 3985272), (4734, 3321060), (5260, 2988954), (6312, 2490795), (7101, 2214040), (7890, 1992636), (9468, 1660530), (10520, 1494477), (11835, 1328424), (14202, 1107020), (15780, 996318), (18936, 830265), (23670, 664212), (28404, 553510), (31560, 498159), (35505, 442808), (47340, 332106), (55351, 284040), (56808, 276755), (71010, 221404), (94680, 166053), (110702, 142020)]