28064400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 240

約数和(自身を含む): 111076224

約数和(自身を除く): 83011824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 257, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 420, 455, 514, 520, 525, 546, 560, 600, 624, 650, 700, 728, 771, 780, 840, 910, 975, 1028, 1040, 1050, 1092, 1200, 1285, 1300, 1365, 1400, 1456, 1542, 1560, 1680, 1799, 1820, 1950, 2056, 2100, 2184, 2275, 2570, 2600, 2730, 2800, 3084, 3120, 3341, 3598, 3640, 3855, 3900, 4112, 4200, 4368, 4550, 5140, 5200, 5397, 5460, 6168, 6425, 6682, 6825, 7196, 7280, 7710, 7800, 8400, 8995, 9100, 10023, 10280, 10794, 10920, 12336, 12850, 13364, 13650, 14392, 15420, 15600, 16705, 17990, 18200, 19275, 20046, 20560, 21588, 21840, 23387, 25700, 26728, 26985, 27300, 28784, 30840, 33410, 35980, 36400, 38550, 40092, 43176, 44975, 46774, 50115, 51400, 53456, 53970, 54600, 61680, 66820, 70161, 71960, 77100, 80184, 83525, 86352, 89950, 93548, 100230, 102800, 107940, 109200, 116935, 133640, 134925, 140322, 143920, 154200, 160368, 167050, 179900, 187096, 200460, 215880, 233870, 250575, 267280, 269850, 280644, 308400, 334100, 350805, 359800, 374192, 400920, 431760, 467740, 501150, 539700, 561288, 584675, 668200, 701610, 719600, 801840, 935480, 1002300, 1079400, 1122576, 1169350, 1336400, 1403220, 1754025, 1870960, 2004600, 2158800, 2338700, 2806440, 3508050, 4009200, 4677400, 5612880, 7016100, 9354800, 14032200, 28064400]

約数ペア:

[(1, 28064400), (2, 14032200), (3, 9354800), (4, 7016100), (5, 5612880), (6, 4677400), (7, 4009200), (8, 3508050), (10, 2806440), (12, 2338700), (13, 2158800), (14, 2004600), (15, 1870960), (16, 1754025), (20, 1403220), (21, 1336400), (24, 1169350), (25, 1122576), (26, 1079400), (28, 1002300), (30, 935480), (35, 801840), (39, 719600), (40, 701610), (42, 668200), (48, 584675), (50, 561288), (52, 539700), (56, 501150), (60, 467740), (65, 431760), (70, 400920), (75, 374192), (78, 359800), (80, 350805), (84, 334100), (91, 308400), (100, 280644), (104, 269850), (105, 267280), (112, 250575), (120, 233870), (130, 215880), (140, 200460), (150, 187096), (156, 179900), (168, 167050), (175, 160368), (182, 154200), (195, 143920), (200, 140322), (208, 134925), (210, 133640), (240, 116935), (257, 109200), (260, 107940), (273, 102800), (280, 100230), (300, 93548), (312, 89950), (325, 86352), (336, 83525), (350, 80184), (364, 77100), (390, 71960), (400, 70161), (420, 66820), (455, 61680), (514, 54600), (520, 53970), (525, 53456), (546, 51400), (560, 50115), (600, 46774), (624, 44975), (650, 43176), (700, 40092), (728, 38550), (771, 36400), (780, 35980), (840, 33410), (910, 30840), (975, 28784), (1028, 27300), (1040, 26985), (1050, 26728), (1092, 25700), (1200, 23387), (1285, 21840), (1300, 21588), (1365, 20560), (1400, 20046), (1456, 19275), (1542, 18200), (1560, 17990), (1680, 16705), (1799, 15600), (1820, 15420), (1950, 14392), (2056, 13650), (2100, 13364), (2184, 12850), (2275, 12336), (2570, 10920), (2600, 10794), (2730, 10280), (2800, 10023), (3084, 9100), (3120, 8995), (3341, 8400), (3598, 7800), (3640, 7710), (3855, 7280), (3900, 7196), (4112, 6825), (4200, 6682), (4368, 6425), (4550, 6168), (5140, 5460), (5200, 5397)]