28645680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 240

約数和(自身を含む): 109635840

約数和(自身を除く): 80990160

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, 59, 60, 68, 70, 80, 84, 85, 102, 105, 112, 118, 119, 120, 136, 140, 168, 170, 177, 204, 210, 236, 238, 240, 255, 272, 280, 289, 295, 336, 340, 354, 357, 408, 413, 420, 472, 476, 510, 560, 578, 590, 595, 680, 708, 714, 816, 826, 840, 867, 885, 944, 952, 1003, 1020, 1156, 1180, 1190, 1239, 1360, 1416, 1428, 1445, 1652, 1680, 1734, 1770, 1785, 1904, 2006, 2023, 2040, 2065, 2312, 2360, 2380, 2478, 2832, 2856, 2890, 3009, 3304, 3468, 3540, 3570, 4012, 4046, 4080, 4130, 4335, 4624, 4720, 4760, 4956, 5015, 5712, 5780, 6018, 6069, 6195, 6608, 6936, 7021, 7080, 7140, 8024, 8092, 8260, 8670, 9520, 9912, 10030, 10115, 11560, 12036, 12138, 12390, 13872, 14042, 14160, 14280, 15045, 16048, 16184, 16520, 17051, 17340, 19824, 20060, 20230, 21063, 23120, 24072, 24276, 24780, 28084, 28560, 30090, 30345, 32368, 33040, 34102, 34680, 35105, 40120, 40460, 42126, 48144, 48552, 49560, 51153, 56168, 60180, 60690, 68204, 69360, 70210, 80240, 80920, 84252, 85255, 97104, 99120, 102306, 105315, 112336, 119357, 120360, 121380, 136408, 140420, 161840, 168504, 170510, 204612, 210630, 238714, 240720, 242760, 255765, 272816, 280840, 337008, 341020, 358071, 409224, 421260, 477428, 485520, 511530, 561680, 596785, 682040, 716142, 818448, 842520, 954856, 1023060, 1193570, 1364080, 1432284, 1685040, 1790355, 1909712, 2046120, 2387140, 2864568, 3580710, 4092240, 4774280, 5729136, 7161420, 9548560, 14322840, 28645680]

約数ペア:

[(1, 28645680), (2, 14322840), (3, 9548560), (4, 7161420), (5, 5729136), (6, 4774280), (7, 4092240), (8, 3580710), (10, 2864568), (12, 2387140), (14, 2046120), (15, 1909712), (16, 1790355), (17, 1685040), (20, 1432284), (21, 1364080), (24, 1193570), (28, 1023060), (30, 954856), (34, 842520), (35, 818448), (40, 716142), (42, 682040), (48, 596785), (51, 561680), (56, 511530), (59, 485520), (60, 477428), (68, 421260), (70, 409224), (80, 358071), (84, 341020), (85, 337008), (102, 280840), (105, 272816), (112, 255765), (118, 242760), (119, 240720), (120, 238714), (136, 210630), (140, 204612), (168, 170510), (170, 168504), (177, 161840), (204, 140420), (210, 136408), (236, 121380), (238, 120360), (240, 119357), (255, 112336), (272, 105315), (280, 102306), (289, 99120), (295, 97104), (336, 85255), (340, 84252), (354, 80920), (357, 80240), (408, 70210), (413, 69360), (420, 68204), (472, 60690), (476, 60180), (510, 56168), (560, 51153), (578, 49560), (590, 48552), (595, 48144), (680, 42126), (708, 40460), (714, 40120), (816, 35105), (826, 34680), (840, 34102), (867, 33040), (885, 32368), (944, 30345), (952, 30090), (1003, 28560), (1020, 28084), (1156, 24780), (1180, 24276), (1190, 24072), (1239, 23120), (1360, 21063), (1416, 20230), (1428, 20060), (1445, 19824), (1652, 17340), (1680, 17051), (1734, 16520), (1770, 16184), (1785, 16048), (1904, 15045), (2006, 14280), (2023, 14160), (2040, 14042), (2065, 13872), (2312, 12390), (2360, 12138), (2380, 12036), (2478, 11560), (2832, 10115), (2856, 10030), (2890, 9912), (3009, 9520), (3304, 8670), (3468, 8260), (3540, 8092), (3570, 8024), (4012, 7140), (4046, 7080), (4080, 7021), (4130, 6936), (4335, 6608), (4624, 6195), (4720, 6069), (4760, 6018), (4956, 5780), (5015, 5712)]