28015680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 224

約数和(自身を含む): 111191040

約数和(自身を除く): 83175360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 379, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 758, 770, 840, 880, 924, 960, 1056, 1120, 1137, 1155, 1232, 1320, 1344, 1516, 1540, 1680, 1760, 1848, 1895, 2112, 2240, 2274, 2310, 2464, 2640, 2653, 3032, 3080, 3360, 3520, 3696, 3790, 4169, 4548, 4620, 4928, 5280, 5306, 5685, 6064, 6160, 6720, 7392, 7580, 7959, 8338, 9096, 9240, 10560, 10612, 11370, 12128, 12320, 12507, 13265, 14784, 15160, 15918, 16676, 18192, 18480, 20845, 21224, 22740, 24256, 24640, 25014, 26530, 29183, 30320, 31836, 33352, 36384, 36960, 39795, 41690, 42448, 45480, 50028, 53060, 58366, 60640, 62535, 63672, 66704, 72768, 73920, 79590, 83380, 84896, 87549, 90960, 100056, 106120, 116732, 121280, 125070, 127344, 133408, 145915, 159180, 166760, 169792, 175098, 181920, 200112, 212240, 233464, 250140, 254688, 266816, 291830, 318360, 333520, 350196, 363840, 400224, 424480, 437745, 466928, 500280, 509376, 583660, 636720, 667040, 700392, 800448, 848960, 875490, 933856, 1000560, 1167320, 1273440, 1334080, 1400784, 1750980, 1867712, 2001120, 2334640, 2546880, 2801568, 3501960, 4002240, 4669280, 5603136, 7003920, 9338560, 14007840, 28015680]

約数ペア:

[(1, 28015680), (2, 14007840), (3, 9338560), (4, 7003920), (5, 5603136), (6, 4669280), (7, 4002240), (8, 3501960), (10, 2801568), (11, 2546880), (12, 2334640), (14, 2001120), (15, 1867712), (16, 1750980), (20, 1400784), (21, 1334080), (22, 1273440), (24, 1167320), (28, 1000560), (30, 933856), (32, 875490), (33, 848960), (35, 800448), (40, 700392), (42, 667040), (44, 636720), (48, 583660), (55, 509376), (56, 500280), (60, 466928), (64, 437745), (66, 424480), (70, 400224), (77, 363840), (80, 350196), (84, 333520), (88, 318360), (96, 291830), (105, 266816), (110, 254688), (112, 250140), (120, 233464), (132, 212240), (140, 200112), (154, 181920), (160, 175098), (165, 169792), (168, 166760), (176, 159180), (192, 145915), (210, 133408), (220, 127344), (224, 125070), (231, 121280), (240, 116732), (264, 106120), (280, 100056), (308, 90960), (320, 87549), (330, 84896), (336, 83380), (352, 79590), (379, 73920), (385, 72768), (420, 66704), (440, 63672), (448, 62535), (462, 60640), (480, 58366), (528, 53060), (560, 50028), (616, 45480), (660, 42448), (672, 41690), (704, 39795), (758, 36960), (770, 36384), (840, 33352), (880, 31836), (924, 30320), (960, 29183), (1056, 26530), (1120, 25014), (1137, 24640), (1155, 24256), (1232, 22740), (1320, 21224), (1344, 20845), (1516, 18480), (1540, 18192), (1680, 16676), (1760, 15918), (1848, 15160), (1895, 14784), (2112, 13265), (2240, 12507), (2274, 12320), (2310, 12128), (2464, 11370), (2640, 10612), (2653, 10560), (3032, 9240), (3080, 9096), (3360, 8338), (3520, 7959), (3696, 7580), (3790, 7392), (4169, 6720), (4548, 6160), (4620, 6064), (4928, 5685), (5280, 5306)]