128269440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:612

約数の個数: 256

約数和(自身を含む): 490089600

約数和(自身を除く): 361820160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 571, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1142, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1713, 1728, 1755, 1872, 1920, 2080, 2160, 2284, 2340, 2496, 2808, 2855, 2880, 3120, 3426, 3456, 3510, 3744, 4160, 4320, 4568, 4680, 4992, 5139, 5616, 5710, 5760, 6240, 6852, 7020, 7423, 7488, 8320, 8565, 8640, 9136, 9360, 10278, 11232, 11420, 12480, 13704, 14040, 14846, 14976, 15417, 17130, 17280, 18272, 18720, 20556, 22269, 22464, 22840, 24960, 25695, 27408, 28080, 29692, 30834, 34260, 36544, 37115, 37440, 41112, 44538, 44928, 45680, 51390, 54816, 56160, 59384, 61668, 66807, 68520, 73088, 74230, 74880, 77085, 82224, 89076, 91360, 102780, 109632, 111345, 112320, 118768, 123336, 133614, 137040, 148460, 154170, 164448, 178152, 182720, 200421, 205560, 219264, 222690, 224640, 237536, 246672, 267228, 274080, 296920, 308340, 328896, 334035, 356304, 365440, 400842, 411120, 445380, 475072, 493344, 534456, 548160, 593840, 616680, 657792, 668070, 712608, 801684, 822240, 890760, 950144, 986688, 1002105, 1068912, 1096320, 1187680, 1233360, 1336140, 1425216, 1603368, 1644480, 1781520, 1973376, 2004210, 2137824, 2375360, 2466720, 2672280, 2850432, 3206736, 3288960, 3563040, 4008420, 4275648, 4750720, 4933440, 5344560, 6413472, 7126080, 8016840, 8551296, 9866880, 10689120, 12826944, 14252160, 16033680, 21378240, 25653888, 32067360, 42756480, 64134720, 128269440]

約数ペア:

[(1, 128269440), (2, 64134720), (3, 42756480), (4, 32067360), (5, 25653888), (6, 21378240), (8, 16033680), (9, 14252160), (10, 12826944), (12, 10689120), (13, 9866880), (15, 8551296), (16, 8016840), (18, 7126080), (20, 6413472), (24, 5344560), (26, 4933440), (27, 4750720), (30, 4275648), (32, 4008420), (36, 3563040), (39, 3288960), (40, 3206736), (45, 2850432), (48, 2672280), (52, 2466720), (54, 2375360), (60, 2137824), (64, 2004210), (65, 1973376), (72, 1781520), (78, 1644480), (80, 1603368), (90, 1425216), (96, 1336140), (104, 1233360), (108, 1187680), (117, 1096320), (120, 1068912), (128, 1002105), (130, 986688), (135, 950144), (144, 890760), (156, 822240), (160, 801684), (180, 712608), (192, 668070), (195, 657792), (208, 616680), (216, 593840), (234, 548160), (240, 534456), (260, 493344), (270, 475072), (288, 445380), (312, 411120), (320, 400842), (351, 365440), (360, 356304), (384, 334035), (390, 328896), (416, 308340), (432, 296920), (468, 274080), (480, 267228), (520, 246672), (540, 237536), (571, 224640), (576, 222690), (585, 219264), (624, 205560), (640, 200421), (702, 182720), (720, 178152), (780, 164448), (832, 154170), (864, 148460), (936, 137040), (960, 133614), (1040, 123336), (1080, 118768), (1142, 112320), (1152, 111345), (1170, 109632), (1248, 102780), (1404, 91360), (1440, 89076), (1560, 82224), (1664, 77085), (1713, 74880), (1728, 74230), (1755, 73088), (1872, 68520), (1920, 66807), (2080, 61668), (2160, 59384), (2284, 56160), (2340, 54816), (2496, 51390), (2808, 45680), (2855, 44928), (2880, 44538), (3120, 41112), (3426, 37440), (3456, 37115), (3510, 36544), (3744, 34260), (4160, 30834), (4320, 29692), (4568, 28080), (4680, 27408), (4992, 25695), (5139, 24960), (5616, 22840), (5710, 22464), (5760, 22269), (6240, 20556), (6852, 18720), (7020, 18272), (7423, 17280), (7488, 17130), (8320, 15417), (8565, 14976), (8640, 14846), (9136, 14040), (9360, 13704), (10278, 12480), (11232, 11420)]