840474720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{883}}^1$

素因数の和:1565

約数の個数: 144

約数和(自身を含む): 2875712112

約数和(自身を除く): 2035237392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 661, 720, 883, 1322, 1440, 1766, 1983, 2644, 2649, 3305, 3532, 3966, 4415, 5288, 5298, 5949, 6610, 7064, 7932, 7947, 8830, 9915, 10576, 10596, 11898, 13220, 13245, 14128, 15864, 15894, 17660, 19830, 21152, 21192, 23796, 26440, 26490, 28256, 29745, 31728, 31788, 35320, 39660, 39735, 42384, 47592, 52880, 52980, 59490, 63456, 63576, 70640, 79320, 79470, 84768, 95184, 105760, 105960, 118980, 127152, 141280, 158640, 158940, 190368, 211920, 237960, 254304, 317280, 317880, 423840, 475920, 583663, 635760, 951840, 1167326, 1271520, 1750989, 2334652, 2918315, 3501978, 4669304, 5252967, 5836630, 7003956, 8754945, 9338608, 10505934, 11673260, 14007912, 17509890, 18677216, 21011868, 23346520, 26264835, 28015824, 35019780, 42023736, 46693040, 52529670, 56031648, 70039560, 84047472, 93386080, 105059340, 140079120, 168094944, 210118680, 280158240, 420237360, 840474720]

約数ペア:

[(1, 840474720), (2, 420237360), (3, 280158240), (4, 210118680), (5, 168094944), (6, 140079120), (8, 105059340), (9, 93386080), (10, 84047472), (12, 70039560), (15, 56031648), (16, 52529670), (18, 46693040), (20, 42023736), (24, 35019780), (30, 28015824), (32, 26264835), (36, 23346520), (40, 21011868), (45, 18677216), (48, 17509890), (60, 14007912), (72, 11673260), (80, 10505934), (90, 9338608), (96, 8754945), (120, 7003956), (144, 5836630), (160, 5252967), (180, 4669304), (240, 3501978), (288, 2918315), (360, 2334652), (480, 1750989), (661, 1271520), (720, 1167326), (883, 951840), (1322, 635760), (1440, 583663), (1766, 475920), (1983, 423840), (2644, 317880), (2649, 317280), (3305, 254304), (3532, 237960), (3966, 211920), (4415, 190368), (5288, 158940), (5298, 158640), (5949, 141280), (6610, 127152), (7064, 118980), (7932, 105960), (7947, 105760), (8830, 95184), (9915, 84768), (10576, 79470), (10596, 79320), (11898, 70640), (13220, 63576), (13245, 63456), (14128, 59490), (15864, 52980), (15894, 52880), (17660, 47592), (19830, 42384), (21152, 39735), (21192, 39660), (23796, 35320), (26440, 31788), (26490, 31728), (28256, 29745)]