7740720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:859

約数の個数: 120

約数和(自身を含む): 28029456

約数和(自身を除く): 20288736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 827, 936, 1040, 1170, 1560, 1654, 1872, 2340, 2481, 3120, 3308, 4135, 4680, 4962, 6616, 7443, 8270, 9360, 9924, 10751, 12405, 13232, 14886, 16540, 19848, 21502, 24810, 29772, 32253, 33080, 37215, 39696, 43004, 49620, 53755, 59544, 64506, 66160, 74430, 86008, 96759, 99240, 107510, 119088, 129012, 148860, 161265, 172016, 193518, 198480, 215020, 258024, 297720, 322530, 387036, 430040, 483795, 516048, 595440, 645060, 774072, 860080, 967590, 1290120, 1548144, 1935180, 2580240, 3870360, 7740720]

約数ペア:

[(1, 7740720), (2, 3870360), (3, 2580240), (4, 1935180), (5, 1548144), (6, 1290120), (8, 967590), (9, 860080), (10, 774072), (12, 645060), (13, 595440), (15, 516048), (16, 483795), (18, 430040), (20, 387036), (24, 322530), (26, 297720), (30, 258024), (36, 215020), (39, 198480), (40, 193518), (45, 172016), (48, 161265), (52, 148860), (60, 129012), (65, 119088), (72, 107510), (78, 99240), (80, 96759), (90, 86008), (104, 74430), (117, 66160), (120, 64506), (130, 59544), (144, 53755), (156, 49620), (180, 43004), (195, 39696), (208, 37215), (234, 33080), (240, 32253), (260, 29772), (312, 24810), (360, 21502), (390, 19848), (468, 16540), (520, 14886), (585, 13232), (624, 12405), (720, 10751), (780, 9924), (827, 9360), (936, 8270), (1040, 7443), (1170, 6616), (1560, 4962), (1654, 4680), (1872, 4135), (2340, 3308), (2481, 3120)]