15415840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 41912640

約数和(自身を除く): 26496800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 461, 608, 760, 836, 880, 922, 1045, 1520, 1672, 1760, 1844, 2090, 2305, 3040, 3344, 3688, 4180, 4610, 5071, 6688, 7376, 8360, 8759, 9220, 10142, 14752, 16720, 17518, 18440, 20284, 25355, 33440, 35036, 36880, 40568, 43795, 50710, 70072, 73760, 81136, 87590, 96349, 101420, 140144, 162272, 175180, 192698, 202840, 280288, 350360, 385396, 405680, 481745, 700720, 770792, 811360, 963490, 1401440, 1541584, 1926980, 3083168, 3853960, 7707920, 15415840]

約数ペア:

[(1, 15415840), (2, 7707920), (4, 3853960), (5, 3083168), (8, 1926980), (10, 1541584), (11, 1401440), (16, 963490), (19, 811360), (20, 770792), (22, 700720), (32, 481745), (38, 405680), (40, 385396), (44, 350360), (55, 280288), (76, 202840), (80, 192698), (88, 175180), (95, 162272), (110, 140144), (152, 101420), (160, 96349), (176, 87590), (190, 81136), (209, 73760), (220, 70072), (304, 50710), (352, 43795), (380, 40568), (418, 36880), (440, 35036), (461, 33440), (608, 25355), (760, 20284), (836, 18440), (880, 17518), (922, 16720), (1045, 14752), (1520, 10142), (1672, 9220), (1760, 8759), (1844, 8360), (2090, 7376), (2305, 6688), (3040, 5071), (3344, 4610), (3688, 4180)]