289217520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:800

約数の個数: 160

約数和(自身を含む): 1001989440

約数和(自身を除く): 712771920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 257, 270, 360, 432, 514, 521, 540, 720, 771, 1028, 1042, 1080, 1285, 1542, 1563, 2056, 2084, 2160, 2313, 2570, 2605, 3084, 3126, 3855, 4112, 4168, 4626, 4689, 5140, 5210, 6168, 6252, 6939, 7710, 7815, 8336, 9252, 9378, 10280, 10420, 11565, 12336, 12504, 13878, 14067, 15420, 15630, 18504, 18756, 20560, 20840, 23130, 23445, 25008, 27756, 28134, 30840, 31260, 34695, 37008, 37512, 41680, 46260, 46890, 55512, 56268, 61680, 62520, 69390, 70335, 75024, 92520, 93780, 111024, 112536, 125040, 133897, 138780, 140670, 185040, 187560, 225072, 267794, 277560, 281340, 375120, 401691, 535588, 555120, 562680, 669485, 803382, 1071176, 1125360, 1205073, 1338970, 1606764, 2008455, 2142352, 2410146, 2677940, 3213528, 3615219, 4016910, 4820292, 5355880, 6025365, 6427056, 7230438, 8033820, 9640584, 10711760, 12050730, 14460876, 16067640, 18076095, 19281168, 24101460, 28921752, 32135280, 36152190, 48202920, 57843504, 72304380, 96405840, 144608760, 289217520]

約数ペア:

[(1, 289217520), (2, 144608760), (3, 96405840), (4, 72304380), (5, 57843504), (6, 48202920), (8, 36152190), (9, 32135280), (10, 28921752), (12, 24101460), (15, 19281168), (16, 18076095), (18, 16067640), (20, 14460876), (24, 12050730), (27, 10711760), (30, 9640584), (36, 8033820), (40, 7230438), (45, 6427056), (48, 6025365), (54, 5355880), (60, 4820292), (72, 4016910), (80, 3615219), (90, 3213528), (108, 2677940), (120, 2410146), (135, 2142352), (144, 2008455), (180, 1606764), (216, 1338970), (240, 1205073), (257, 1125360), (270, 1071176), (360, 803382), (432, 669485), (514, 562680), (521, 555120), (540, 535588), (720, 401691), (771, 375120), (1028, 281340), (1042, 277560), (1080, 267794), (1285, 225072), (1542, 187560), (1563, 185040), (2056, 140670), (2084, 138780), (2160, 133897), (2313, 125040), (2570, 112536), (2605, 111024), (3084, 93780), (3126, 92520), (3855, 75024), (4112, 70335), (4168, 69390), (4626, 62520), (4689, 61680), (5140, 56268), (5210, 55512), (6168, 46890), (6252, 46260), (6939, 41680), (7710, 37512), (7815, 37008), (8336, 34695), (9252, 31260), (9378, 30840), (10280, 28134), (10420, 27756), (11565, 25008), (12336, 23445), (12504, 23130), (13878, 20840), (14067, 20560), (15420, 18756), (15630, 18504)]