21742560

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{719}}^1$

素因数の和:750

約数の個数: 192

約数和(自身を含む): 87091200

約数和(自身を除く): 65348640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 719, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1438, 1440, 1512, 1680, 1890, 2016, 2157, 2160, 2520, 2876, 3024, 3360, 3595, 3780, 4314, 4320, 5033, 5040, 5752, 6048, 6471, 7190, 7560, 8628, 10066, 10080, 10785, 11504, 12942, 14380, 15099, 15120, 17256, 19413, 20132, 21570, 23008, 25165, 25884, 28760, 30198, 30240, 32355, 34512, 38826, 40264, 43140, 45297, 50330, 51768, 57520, 60396, 64710, 69024, 75495, 77652, 80528, 86280, 90594, 97065, 100660, 103536, 115040, 120792, 129420, 135891, 150990, 155304, 161056, 172560, 181188, 194130, 201320, 207072, 226485, 241584, 258840, 271782, 301980, 310608, 345120, 362376, 388260, 402640, 452970, 483168, 517680, 543564, 603960, 621216, 679455, 724752, 776520, 805280, 905940, 1035360, 1087128, 1207920, 1358910, 1449504, 1553040, 1811880, 2174256, 2415840, 2717820, 3106080, 3623760, 4348512, 5435640, 7247520, 10871280, 21742560]

約数ペア:

[(1, 21742560), (2, 10871280), (3, 7247520), (4, 5435640), (5, 4348512), (6, 3623760), (7, 3106080), (8, 2717820), (9, 2415840), (10, 2174256), (12, 1811880), (14, 1553040), (15, 1449504), (16, 1358910), (18, 1207920), (20, 1087128), (21, 1035360), (24, 905940), (27, 805280), (28, 776520), (30, 724752), (32, 679455), (35, 621216), (36, 603960), (40, 543564), (42, 517680), (45, 483168), (48, 452970), (54, 402640), (56, 388260), (60, 362376), (63, 345120), (70, 310608), (72, 301980), (80, 271782), (84, 258840), (90, 241584), (96, 226485), (105, 207072), (108, 201320), (112, 194130), (120, 181188), (126, 172560), (135, 161056), (140, 155304), (144, 150990), (160, 135891), (168, 129420), (180, 120792), (189, 115040), (210, 103536), (216, 100660), (224, 97065), (240, 90594), (252, 86280), (270, 80528), (280, 77652), (288, 75495), (315, 69024), (336, 64710), (360, 60396), (378, 57520), (420, 51768), (432, 50330), (480, 45297), (504, 43140), (540, 40264), (560, 38826), (630, 34512), (672, 32355), (719, 30240), (720, 30198), (756, 28760), (840, 25884), (864, 25165), (945, 23008), (1008, 21570), (1080, 20132), (1120, 19413), (1260, 17256), (1438, 15120), (1440, 15099), (1512, 14380), (1680, 12942), (1890, 11504), (2016, 10785), (2157, 10080), (2160, 10066), (2520, 8628), (2876, 7560), (3024, 7190), (3360, 6471), (3595, 6048), (3780, 5752), (4314, 5040), (4320, 5033)]