256880160

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{6607}}^1$

素因数の和:6637

約数の個数: 144

約数和(自身を含む): 909207936

約数和(自身を除く): 652327776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 6607, 7776, 9720, 12960, 13214, 19440, 19821, 26428, 33035, 38880, 39642, 52856, 59463, 66070, 79284, 99105, 105712, 118926, 132140, 158568, 178389, 198210, 211424, 237852, 264280, 297315, 317136, 356778, 396420, 475704, 528560, 535167, 594630, 634272, 713556, 792840, 891945, 951408, 1057120, 1070334, 1189260, 1427112, 1585680, 1605501, 1783890, 1902816, 2140668, 2378520, 2675835, 2854224, 3171360, 3211002, 3567780, 4281336, 4757040, 5351670, 5708448, 6422004, 7135560, 8027505, 8562672, 9514080, 10703340, 12844008, 14271120, 16055010, 17125344, 21406680, 25688016, 28542240, 32110020, 42813360, 51376032, 64220040, 85626720, 128440080, 256880160]

約数ペア:

[(1, 256880160), (2, 128440080), (3, 85626720), (4, 64220040), (5, 51376032), (6, 42813360), (8, 32110020), (9, 28542240), (10, 25688016), (12, 21406680), (15, 17125344), (16, 16055010), (18, 14271120), (20, 12844008), (24, 10703340), (27, 9514080), (30, 8562672), (32, 8027505), (36, 7135560), (40, 6422004), (45, 5708448), (48, 5351670), (54, 4757040), (60, 4281336), (72, 3567780), (80, 3211002), (81, 3171360), (90, 2854224), (96, 2675835), (108, 2378520), (120, 2140668), (135, 1902816), (144, 1783890), (160, 1605501), (162, 1585680), (180, 1427112), (216, 1189260), (240, 1070334), (243, 1057120), (270, 951408), (288, 891945), (324, 792840), (360, 713556), (405, 634272), (432, 594630), (480, 535167), (486, 528560), (540, 475704), (648, 396420), (720, 356778), (810, 317136), (864, 297315), (972, 264280), (1080, 237852), (1215, 211424), (1296, 198210), (1440, 178389), (1620, 158568), (1944, 132140), (2160, 118926), (2430, 105712), (2592, 99105), (3240, 79284), (3888, 66070), (4320, 59463), (4860, 52856), (6480, 39642), (6607, 38880), (7776, 33035), (9720, 26428), (12960, 19821), (13214, 19440)]