1921409280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{23827}}^1$

素因数の和:23861

約数の個数: 216

約数和(自身を含む): 7597891392

約数和(自身を除く): 5676482112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 23827, 26880, 40320, 47654, 71481, 80640, 95308, 119135, 142962, 166789, 190616, 214443, 238270, 285924, 333578, 357405, 381232, 428886, 476540, 500367, 571848, 667156, 714810, 762464, 833945, 857772, 953080, 1000734, 1072215, 1143696, 1334312, 1429620, 1501101, 1524928, 1667890, 1715544, 1906160, 2001468, 2144430, 2287392, 2501835, 2668624, 2859240, 3002202, 3049856, 3335780, 3431088, 3812320, 4002936, 4288860, 4574784, 5003670, 5337248, 5718480, 6004404, 6099712, 6671560, 6862176, 7505505, 7624640, 8005872, 8577720, 9149568, 10007340, 10674496, 11436960, 12008808, 13343120, 13724352, 15011010, 15249280, 16011744, 17155440, 18299136, 20014680, 21348992, 22873920, 24017616, 26686240, 27448704, 30022020, 30498560, 32023488, 34310880, 40029360, 42697984, 45747840, 48035232, 53372480, 54897408, 60044040, 64046976, 68621760, 80058720, 91495680, 96070464, 106744960, 120088080, 128093952, 137243520, 160117440, 192140928, 213489920, 240176160, 274487040, 320234880, 384281856, 480352320, 640469760, 960704640, 1921409280]

約数ペア:

[(1, 1921409280), (2, 960704640), (3, 640469760), (4, 480352320), (5, 384281856), (6, 320234880), (7, 274487040), (8, 240176160), (9, 213489920), (10, 192140928), (12, 160117440), (14, 137243520), (15, 128093952), (16, 120088080), (18, 106744960), (20, 96070464), (21, 91495680), (24, 80058720), (28, 68621760), (30, 64046976), (32, 60044040), (35, 54897408), (36, 53372480), (40, 48035232), (42, 45747840), (45, 42697984), (48, 40029360), (56, 34310880), (60, 32023488), (63, 30498560), (64, 30022020), (70, 27448704), (72, 26686240), (80, 24017616), (84, 22873920), (90, 21348992), (96, 20014680), (105, 18299136), (112, 17155440), (120, 16011744), (126, 15249280), (128, 15011010), (140, 13724352), (144, 13343120), (160, 12008808), (168, 11436960), (180, 10674496), (192, 10007340), (210, 9149568), (224, 8577720), (240, 8005872), (252, 7624640), (256, 7505505), (280, 6862176), (288, 6671560), (315, 6099712), (320, 6004404), (336, 5718480), (360, 5337248), (384, 5003670), (420, 4574784), (448, 4288860), (480, 4002936), (504, 3812320), (560, 3431088), (576, 3335780), (630, 3049856), (640, 3002202), (672, 2859240), (720, 2668624), (768, 2501835), (840, 2287392), (896, 2144430), (960, 2001468), (1008, 1906160), (1120, 1715544), (1152, 1667890), (1260, 1524928), (1280, 1501101), (1344, 1429620), (1440, 1334312), (1680, 1143696), (1792, 1072215), (1920, 1000734), (2016, 953080), (2240, 857772), (2304, 833945), (2520, 762464), (2688, 714810), (2880, 667156), (3360, 571848), (3840, 500367), (4032, 476540), (4480, 428886), (5040, 381232), (5376, 357405), (5760, 333578), (6720, 285924), (8064, 238270), (8960, 214443), (10080, 190616), (11520, 166789), (13440, 142962), (16128, 119135), (20160, 95308), (23827, 80640), (26880, 71481), (40320, 47654)]