128872440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 448156800

約数和(自身を除く): 319284360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 83, 90, 95, 114, 120, 152, 166, 171, 180, 190, 227, 228, 249, 285, 332, 342, 360, 380, 415, 454, 456, 498, 570, 664, 681, 684, 747, 760, 830, 855, 908, 996, 1135, 1140, 1245, 1362, 1368, 1494, 1577, 1660, 1710, 1816, 1992, 2043, 2270, 2280, 2490, 2724, 2988, 3154, 3320, 3405, 3420, 3735, 4086, 4313, 4540, 4731, 4980, 5448, 5976, 6308, 6810, 6840, 7470, 7885, 8172, 8626, 9080, 9462, 9960, 10215, 12616, 12939, 13620, 14193, 14940, 15770, 16344, 17252, 18841, 18924, 20430, 21565, 23655, 25878, 27240, 28386, 29880, 31540, 34504, 37682, 37848, 38817, 40860, 43130, 47310, 51756, 56523, 56772, 63080, 64695, 70965, 75364, 77634, 81720, 86260, 94205, 94620, 103512, 113046, 113544, 129390, 141930, 150728, 155268, 169569, 172520, 188410, 189240, 194085, 226092, 258780, 282615, 283860, 310536, 339138, 357979, 376820, 388170, 452184, 517560, 565230, 567720, 678276, 715958, 753640, 776340, 847845, 1073937, 1130460, 1356552, 1431916, 1552680, 1695690, 1789895, 2147874, 2260920, 2863832, 3221811, 3391380, 3579790, 4295748, 5369685, 6443622, 6782760, 7159580, 8591496, 10739370, 12887244, 14319160, 16109055, 21478740, 25774488, 32218110, 42957480, 64436220, 128872440]

約数ペア:

[(1, 128872440), (2, 64436220), (3, 42957480), (4, 32218110), (5, 25774488), (6, 21478740), (8, 16109055), (9, 14319160), (10, 12887244), (12, 10739370), (15, 8591496), (18, 7159580), (19, 6782760), (20, 6443622), (24, 5369685), (30, 4295748), (36, 3579790), (38, 3391380), (40, 3221811), (45, 2863832), (57, 2260920), (60, 2147874), (72, 1789895), (76, 1695690), (83, 1552680), (90, 1431916), (95, 1356552), (114, 1130460), (120, 1073937), (152, 847845), (166, 776340), (171, 753640), (180, 715958), (190, 678276), (227, 567720), (228, 565230), (249, 517560), (285, 452184), (332, 388170), (342, 376820), (360, 357979), (380, 339138), (415, 310536), (454, 283860), (456, 282615), (498, 258780), (570, 226092), (664, 194085), (681, 189240), (684, 188410), (747, 172520), (760, 169569), (830, 155268), (855, 150728), (908, 141930), (996, 129390), (1135, 113544), (1140, 113046), (1245, 103512), (1362, 94620), (1368, 94205), (1494, 86260), (1577, 81720), (1660, 77634), (1710, 75364), (1816, 70965), (1992, 64695), (2043, 63080), (2270, 56772), (2280, 56523), (2490, 51756), (2724, 47310), (2988, 43130), (3154, 40860), (3320, 38817), (3405, 37848), (3420, 37682), (3735, 34504), (4086, 31540), (4313, 29880), (4540, 28386), (4731, 27240), (4980, 25878), (5448, 23655), (5976, 21565), (6308, 20430), (6810, 18924), (6840, 18841), (7470, 17252), (7885, 16344), (8172, 15770), (8626, 14940), (9080, 14193), (9462, 13620), (9960, 12939), (10215, 12616)]