257019120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{733}}^1$

素因数の和:1239

約数の個数: 120

約数和(自身を含む): 866108256

約数和(自身を除く): 609089136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 487, 720, 733, 974, 1461, 1466, 1948, 2199, 2435, 2922, 2932, 3665, 3896, 4383, 4398, 4870, 5844, 5864, 6597, 7305, 7330, 7792, 8766, 8796, 9740, 10995, 11688, 11728, 13194, 14610, 14660, 17532, 17592, 19480, 21915, 21990, 23376, 26388, 29220, 29320, 32985, 35064, 35184, 38960, 43830, 43980, 52776, 58440, 58640, 65970, 70128, 87660, 87960, 105552, 116880, 131940, 175320, 175920, 263880, 350640, 356971, 527760, 713942, 1070913, 1427884, 1784855, 2141826, 2855768, 3212739, 3569710, 4283652, 5354565, 5711536, 6425478, 7139420, 8567304, 10709130, 12850956, 14278840, 16063695, 17134608, 21418260, 25701912, 28557680, 32127390, 42836520, 51403824, 64254780, 85673040, 128509560, 257019120]

約数ペア:

[(1, 257019120), (2, 128509560), (3, 85673040), (4, 64254780), (5, 51403824), (6, 42836520), (8, 32127390), (9, 28557680), (10, 25701912), (12, 21418260), (15, 17134608), (16, 16063695), (18, 14278840), (20, 12850956), (24, 10709130), (30, 8567304), (36, 7139420), (40, 6425478), (45, 5711536), (48, 5354565), (60, 4283652), (72, 3569710), (80, 3212739), (90, 2855768), (120, 2141826), (144, 1784855), (180, 1427884), (240, 1070913), (360, 713942), (487, 527760), (720, 356971), (733, 350640), (974, 263880), (1461, 175920), (1466, 175320), (1948, 131940), (2199, 116880), (2435, 105552), (2922, 87960), (2932, 87660), (3665, 70128), (3896, 65970), (4383, 58640), (4398, 58440), (4870, 52776), (5844, 43980), (5864, 43830), (6597, 38960), (7305, 35184), (7330, 35064), (7792, 32985), (8766, 29320), (8796, 29220), (9740, 26388), (10995, 23376), (11688, 21990), (11728, 21915), (13194, 19480), (14610, 17592), (14660, 17532)]