28025760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:483

約数の個数: 192

約数和(自身を含む): 106444800

約数和(自身を除く): 78419040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 439, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 878, 912, 1064, 1120, 1140, 1317, 1330, 1520, 1596, 1680, 1756, 1824, 1995, 2128, 2195, 2280, 2634, 2660, 3040, 3073, 3192, 3360, 3512, 3990, 4256, 4390, 4560, 5268, 5320, 6146, 6384, 6585, 7024, 7980, 8341, 8780, 9120, 9219, 10536, 10640, 12292, 12768, 13170, 14048, 15365, 15960, 16682, 17560, 18438, 21072, 21280, 24584, 25023, 26340, 30730, 31920, 33364, 35120, 36876, 41705, 42144, 46095, 49168, 50046, 52680, 58387, 61460, 63840, 66728, 70240, 73752, 83410, 92190, 98336, 100092, 105360, 116774, 122920, 125115, 133456, 147504, 166820, 175161, 184380, 200184, 210720, 233548, 245840, 250230, 266912, 291935, 295008, 333640, 350322, 368760, 400368, 467096, 491680, 500460, 583870, 667280, 700644, 737520, 800736, 875805, 934192, 1000920, 1167740, 1334560, 1401288, 1475040, 1751610, 1868384, 2001840, 2335480, 2802576, 3503220, 4003680, 4670960, 5605152, 7006440, 9341920, 14012880, 28025760]

約数ペア:

[(1, 28025760), (2, 14012880), (3, 9341920), (4, 7006440), (5, 5605152), (6, 4670960), (7, 4003680), (8, 3503220), (10, 2802576), (12, 2335480), (14, 2001840), (15, 1868384), (16, 1751610), (19, 1475040), (20, 1401288), (21, 1334560), (24, 1167740), (28, 1000920), (30, 934192), (32, 875805), (35, 800736), (38, 737520), (40, 700644), (42, 667280), (48, 583870), (56, 500460), (57, 491680), (60, 467096), (70, 400368), (76, 368760), (80, 350322), (84, 333640), (95, 295008), (96, 291935), (105, 266912), (112, 250230), (114, 245840), (120, 233548), (133, 210720), (140, 200184), (152, 184380), (160, 175161), (168, 166820), (190, 147504), (210, 133456), (224, 125115), (228, 122920), (240, 116774), (266, 105360), (280, 100092), (285, 98336), (304, 92190), (336, 83410), (380, 73752), (399, 70240), (420, 66728), (439, 63840), (456, 61460), (480, 58387), (532, 52680), (560, 50046), (570, 49168), (608, 46095), (665, 42144), (672, 41705), (760, 36876), (798, 35120), (840, 33364), (878, 31920), (912, 30730), (1064, 26340), (1120, 25023), (1140, 24584), (1317, 21280), (1330, 21072), (1520, 18438), (1596, 17560), (1680, 16682), (1756, 15960), (1824, 15365), (1995, 14048), (2128, 13170), (2195, 12768), (2280, 12292), (2634, 10640), (2660, 10536), (3040, 9219), (3073, 9120), (3192, 8780), (3360, 8341), (3512, 7980), (3990, 7024), (4256, 6585), (4390, 6384), (4560, 6146), (5268, 5320)]