128071440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{25411}}^1$

素因数の和:25437

約数の個数: 120

約数和(自身を含む): 491569728

約数和(自身を除く): 363498288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 25411, 50822, 76233, 101644, 127055, 152466, 177877, 203288, 228699, 254110, 304932, 355754, 381165, 406576, 457398, 508220, 533631, 609864, 711508, 762330, 889385, 914796, 1016440, 1067262, 1143495, 1219728, 1423016, 1524660, 1600893, 1778770, 1829592, 2032880, 2134524, 2286990, 2668155, 2846032, 3049320, 3201786, 3557540, 3659184, 4269048, 4573980, 5336310, 6098640, 6403572, 7115080, 8004465, 8538096, 9147960, 10672620, 12807144, 14230160, 16008930, 18295920, 21345240, 25614288, 32017860, 42690480, 64035720, 128071440]

約数ペア:

[(1, 128071440), (2, 64035720), (3, 42690480), (4, 32017860), (5, 25614288), (6, 21345240), (7, 18295920), (8, 16008930), (9, 14230160), (10, 12807144), (12, 10672620), (14, 9147960), (15, 8538096), (16, 8004465), (18, 7115080), (20, 6403572), (21, 6098640), (24, 5336310), (28, 4573980), (30, 4269048), (35, 3659184), (36, 3557540), (40, 3201786), (42, 3049320), (45, 2846032), (48, 2668155), (56, 2286990), (60, 2134524), (63, 2032880), (70, 1829592), (72, 1778770), (80, 1600893), (84, 1524660), (90, 1423016), (105, 1219728), (112, 1143495), (120, 1067262), (126, 1016440), (140, 914796), (144, 889385), (168, 762330), (180, 711508), (210, 609864), (240, 533631), (252, 508220), (280, 457398), (315, 406576), (336, 381165), (360, 355754), (420, 304932), (504, 254110), (560, 228699), (630, 203288), (720, 177877), (840, 152466), (1008, 127055), (1260, 101644), (1680, 76233), (2520, 50822), (5040, 25411)]