72157680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 281648640

約数和(自身を除く): 209490960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 103, 105, 112, 120, 126, 139, 140, 144, 168, 180, 206, 210, 240, 252, 278, 280, 309, 315, 336, 360, 412, 417, 420, 504, 515, 556, 560, 618, 630, 695, 720, 721, 824, 834, 840, 927, 973, 1008, 1030, 1112, 1236, 1251, 1260, 1390, 1442, 1545, 1648, 1668, 1680, 1854, 1946, 2060, 2085, 2163, 2224, 2472, 2502, 2520, 2780, 2884, 2919, 3090, 3336, 3605, 3708, 3892, 4120, 4170, 4326, 4635, 4865, 4944, 5004, 5040, 5560, 5768, 5838, 6180, 6255, 6489, 6672, 7210, 7416, 7784, 8240, 8340, 8652, 8757, 9270, 9730, 10008, 10815, 11120, 11536, 11676, 12360, 12510, 12978, 14317, 14420, 14595, 14832, 15568, 16680, 17304, 17514, 18540, 19460, 20016, 21630, 23352, 24720, 25020, 25956, 28634, 28840, 29190, 32445, 33360, 34608, 35028, 37080, 38920, 42951, 43260, 43785, 46704, 50040, 51912, 57268, 57680, 58380, 64890, 70056, 71585, 74160, 77840, 85902, 86520, 87570, 100080, 100219, 103824, 114536, 116760, 128853, 129780, 140112, 143170, 171804, 173040, 175140, 200438, 214755, 229072, 233520, 257706, 259560, 286340, 300657, 343608, 350280, 400876, 429510, 501095, 515412, 519120, 572680, 601314, 644265, 687216, 700560, 801752, 859020, 901971, 1002190, 1030824, 1145360, 1202628, 1288530, 1503285, 1603504, 1718040, 1803942, 2004380, 2061648, 2405256, 2577060, 3006570, 3436080, 3607884, 4008760, 4509855, 4810512, 5154120, 6013140, 7215768, 8017520, 9019710, 10308240, 12026280, 14431536, 18039420, 24052560, 36078840, 72157680]

約数ペア:

[(1, 72157680), (2, 36078840), (3, 24052560), (4, 18039420), (5, 14431536), (6, 12026280), (7, 10308240), (8, 9019710), (9, 8017520), (10, 7215768), (12, 6013140), (14, 5154120), (15, 4810512), (16, 4509855), (18, 4008760), (20, 3607884), (21, 3436080), (24, 3006570), (28, 2577060), (30, 2405256), (35, 2061648), (36, 2004380), (40, 1803942), (42, 1718040), (45, 1603504), (48, 1503285), (56, 1288530), (60, 1202628), (63, 1145360), (70, 1030824), (72, 1002190), (80, 901971), (84, 859020), (90, 801752), (103, 700560), (105, 687216), (112, 644265), (120, 601314), (126, 572680), (139, 519120), (140, 515412), (144, 501095), (168, 429510), (180, 400876), (206, 350280), (210, 343608), (240, 300657), (252, 286340), (278, 259560), (280, 257706), (309, 233520), (315, 229072), (336, 214755), (360, 200438), (412, 175140), (417, 173040), (420, 171804), (504, 143170), (515, 140112), (556, 129780), (560, 128853), (618, 116760), (630, 114536), (695, 103824), (720, 100219), (721, 100080), (824, 87570), (834, 86520), (840, 85902), (927, 77840), (973, 74160), (1008, 71585), (1030, 70056), (1112, 64890), (1236, 58380), (1251, 57680), (1260, 57268), (1390, 51912), (1442, 50040), (1545, 46704), (1648, 43785), (1668, 43260), (1680, 42951), (1854, 38920), (1946, 37080), (2060, 35028), (2085, 34608), (2163, 33360), (2224, 32445), (2472, 29190), (2502, 28840), (2520, 28634), (2780, 25956), (2884, 25020), (2919, 24720), (3090, 23352), (3336, 21630), (3605, 20016), (3708, 19460), (3892, 18540), (4120, 17514), (4170, 17304), (4326, 16680), (4635, 15568), (4865, 14832), (4944, 14595), (5004, 14420), (5040, 14317), (5560, 12978), (5768, 12510), (5838, 12360), (6180, 11676), (6255, 11536), (6489, 11120), (6672, 10815), (7210, 10008), (7416, 9730), (7784, 9270), (8240, 8757), (8340, 8652)]