628307680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3969

約数の個数: 192

約数和(自身を含む): 1993517568

約数和(自身を除く): 1365209888

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 352, 364, 385, 416, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1760, 1820, 2002, 2080, 2288, 2464, 2860, 2912, 3080, 3640, 3923, 4004, 4576, 5005, 5720, 6160, 7280, 7846, 8008, 10010, 11440, 12320, 14560, 15692, 16016, 19615, 20020, 22880, 27461, 31384, 32032, 39230, 40040, 43153, 50999, 54922, 62768, 78460, 80080, 86306, 101998, 109844, 125536, 137305, 156920, 160160, 172612, 203996, 215765, 219688, 254995, 274610, 302071, 313840, 345224, 356993, 407992, 431530, 439376, 509990, 549220, 560989, 604142, 627680, 690448, 713986, 815984, 863060, 878752, 1019980, 1098440, 1121978, 1208284, 1380896, 1427972, 1510355, 1631968, 1726120, 1784965, 2039960, 2196880, 2243956, 2416568, 2804945, 2855944, 3020710, 3452240, 3569930, 3926923, 4079920, 4393760, 4487912, 4833136, 5609890, 5711888, 6041420, 6904480, 7139860, 7853846, 8159840, 8975824, 9666272, 11219780, 11423776, 12082840, 14279720, 15707692, 17951648, 19634615, 22439560, 24165680, 28559440, 31415384, 39269230, 44879120, 48331360, 57118880, 62830768, 78538460, 89758240, 125661536, 157076920, 314153840, 628307680]

約数ペア:

[(1, 628307680), (2, 314153840), (4, 157076920), (5, 125661536), (7, 89758240), (8, 78538460), (10, 62830768), (11, 57118880), (13, 48331360), (14, 44879120), (16, 39269230), (20, 31415384), (22, 28559440), (26, 24165680), (28, 22439560), (32, 19634615), (35, 17951648), (40, 15707692), (44, 14279720), (52, 12082840), (55, 11423776), (56, 11219780), (65, 9666272), (70, 8975824), (77, 8159840), (80, 7853846), (88, 7139860), (91, 6904480), (104, 6041420), (110, 5711888), (112, 5609890), (130, 4833136), (140, 4487912), (143, 4393760), (154, 4079920), (160, 3926923), (176, 3569930), (182, 3452240), (208, 3020710), (220, 2855944), (224, 2804945), (260, 2416568), (280, 2243956), (286, 2196880), (308, 2039960), (352, 1784965), (364, 1726120), (385, 1631968), (416, 1510355), (440, 1427972), (455, 1380896), (520, 1208284), (560, 1121978), (572, 1098440), (616, 1019980), (715, 878752), (728, 863060), (770, 815984), (880, 713986), (910, 690448), (1001, 627680), (1040, 604142), (1120, 560989), (1144, 549220), (1232, 509990), (1430, 439376), (1456, 431530), (1540, 407992), (1760, 356993), (1820, 345224), (2002, 313840), (2080, 302071), (2288, 274610), (2464, 254995), (2860, 219688), (2912, 215765), (3080, 203996), (3640, 172612), (3923, 160160), (4004, 156920), (4576, 137305), (5005, 125536), (5720, 109844), (6160, 101998), (7280, 86306), (7846, 80080), (8008, 78460), (10010, 62768), (11440, 54922), (12320, 50999), (14560, 43153), (15692, 40040), (16016, 39230), (19615, 32032), (20020, 31384), (22880, 27461)]