21509261280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1148999}}^1$

素因数の和:1149033

約数の個数: 144

約数和(自身を含む): 79046604000

約数和(自身を除く): 57537342720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 1148999, 2297998, 3446997, 4595996, 5744995, 6893994, 9191992, 10340991, 11489990, 13787988, 14936987, 17234985, 18383984, 20681982, 22979980, 27575976, 29873974, 34469970, 36767968, 41363964, 44810961, 45959960, 51704955, 55151952, 59747948, 68939940, 74684935, 82727928, 89621922, 91919920, 103409910, 110303904, 119495896, 134432883, 137879880, 149369870, 165455856, 179243844, 183839840, 206819820, 224054805, 238991792, 268865766, 275759760, 298739740, 330911712, 358487688, 413639640, 448109610, 477983584, 537731532, 551519520, 597479480, 672164415, 716975376, 827279280, 896219220, 1075463064, 1194958960, 1344328830, 1433950752, 1654558560, 1792438440, 2150926128, 2389917920, 2688657660, 3584876880, 4301852256, 5377315320, 7169753760, 10754630640, 21509261280]

約数ペア:

[(1, 21509261280), (2, 10754630640), (3, 7169753760), (4, 5377315320), (5, 4301852256), (6, 3584876880), (8, 2688657660), (9, 2389917920), (10, 2150926128), (12, 1792438440), (13, 1654558560), (15, 1433950752), (16, 1344328830), (18, 1194958960), (20, 1075463064), (24, 896219220), (26, 827279280), (30, 716975376), (32, 672164415), (36, 597479480), (39, 551519520), (40, 537731532), (45, 477983584), (48, 448109610), (52, 413639640), (60, 358487688), (65, 330911712), (72, 298739740), (78, 275759760), (80, 268865766), (90, 238991792), (96, 224054805), (104, 206819820), (117, 183839840), (120, 179243844), (130, 165455856), (144, 149369870), (156, 137879880), (160, 134432883), (180, 119495896), (195, 110303904), (208, 103409910), (234, 91919920), (240, 89621922), (260, 82727928), (288, 74684935), (312, 68939940), (360, 59747948), (390, 55151952), (416, 51704955), (468, 45959960), (480, 44810961), (520, 41363964), (585, 36767968), (624, 34469970), (720, 29873974), (780, 27575976), (936, 22979980), (1040, 20681982), (1170, 18383984), (1248, 17234985), (1440, 14936987), (1560, 13787988), (1872, 11489990), (2080, 10340991), (2340, 9191992), (3120, 6893994), (3744, 5744995), (4680, 4595996), (6240, 3446997), (9360, 2297998), (18720, 1148999)]