28474320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1037

約数の個数: 160

約数和(自身を含む): 106921728

約数和(自身を除く): 78447408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 997, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 1994, 2040, 2380, 2856, 2991, 3570, 3988, 4080, 4760, 4985, 5712, 5982, 6979, 7140, 7976, 9520, 9970, 11964, 13958, 14280, 14955, 15952, 16949, 19940, 20937, 23928, 27916, 28560, 29910, 33898, 34895, 39880, 41874, 47856, 50847, 55832, 59820, 67796, 69790, 79760, 83748, 84745, 101694, 104685, 111664, 118643, 119640, 135592, 139580, 167496, 169490, 203388, 209370, 237286, 239280, 254235, 271184, 279160, 334992, 338980, 355929, 406776, 418740, 474572, 508470, 558320, 593215, 677960, 711858, 813552, 837480, 949144, 1016940, 1186430, 1355920, 1423716, 1674960, 1779645, 1898288, 2033880, 2372860, 2847432, 3559290, 4067760, 4745720, 5694864, 7118580, 9491440, 14237160, 28474320]

約数ペア:

[(1, 28474320), (2, 14237160), (3, 9491440), (4, 7118580), (5, 5694864), (6, 4745720), (7, 4067760), (8, 3559290), (10, 2847432), (12, 2372860), (14, 2033880), (15, 1898288), (16, 1779645), (17, 1674960), (20, 1423716), (21, 1355920), (24, 1186430), (28, 1016940), (30, 949144), (34, 837480), (35, 813552), (40, 711858), (42, 677960), (48, 593215), (51, 558320), (56, 508470), (60, 474572), (68, 418740), (70, 406776), (80, 355929), (84, 338980), (85, 334992), (102, 279160), (105, 271184), (112, 254235), (119, 239280), (120, 237286), (136, 209370), (140, 203388), (168, 169490), (170, 167496), (204, 139580), (210, 135592), (238, 119640), (240, 118643), (255, 111664), (272, 104685), (280, 101694), (336, 84745), (340, 83748), (357, 79760), (408, 69790), (420, 67796), (476, 59820), (510, 55832), (560, 50847), (595, 47856), (680, 41874), (714, 39880), (816, 34895), (840, 33898), (952, 29910), (997, 28560), (1020, 27916), (1190, 23928), (1360, 20937), (1428, 19940), (1680, 16949), (1785, 15952), (1904, 14955), (1994, 14280), (2040, 13958), (2380, 11964), (2856, 9970), (2991, 9520), (3570, 7976), (3988, 7140), (4080, 6979), (4760, 5982), (4985, 5712)]