128489760

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{607}}^1$

素因数の和:645

約数の個数: 288

約数和(自身を含む): 523998720

約数和(自身を除く): 395508960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 607, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1214, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1821, 1890, 1960, 2016, 2160, 2205, 2352, 2428, 2520, 2646, 2940, 3024, 3035, 3360, 3528, 3642, 3780, 3920, 4249, 4320, 4410, 4704, 4856, 5040, 5292, 5463, 5880, 6048, 6070, 6615, 7056, 7284, 7560, 7840, 8498, 8820, 9105, 9712, 10080, 10584, 10926, 11760, 12140, 12747, 13230, 14112, 14568, 15120, 16389, 16996, 17640, 18210, 19424, 21168, 21245, 21852, 23520, 24280, 25494, 26460, 27315, 29136, 29743, 30240, 32778, 33992, 35280, 36420, 38241, 42336, 42490, 43704, 48560, 50988, 52920, 54630, 58272, 59486, 63735, 65556, 67984, 70560, 72840, 76482, 81945, 84980, 87408, 89229, 97120, 101976, 105840, 109260, 114723, 118972, 127470, 131112, 135968, 145680, 148715, 152964, 163890, 169960, 174816, 178458, 191205, 203952, 211680, 218520, 229446, 237944, 254940, 262224, 267687, 291360, 297430, 305928, 327780, 339920, 356916, 382410, 407904, 437040, 446145, 458892, 475888, 509880, 524448, 535374, 573615, 594860, 611856, 655560, 679840, 713832, 764820, 803061, 874080, 892290, 917784, 951776, 1019760, 1070748, 1147230, 1189720, 1223712, 1311120, 1338435, 1427664, 1529640, 1606122, 1784580, 1835568, 2039520, 2141496, 2294460, 2379440, 2622240, 2676870, 2855328, 3059280, 3212244, 3569160, 3671136, 4015305, 4282992, 4588920, 4758880, 5353740, 6118560, 6424488, 7138320, 8030610, 8565984, 9177840, 10707480, 12848976, 14276640, 16061220, 18355680, 21414960, 25697952, 32122440, 42829920, 64244880, 128489760]

約数ペア:

[(1, 128489760), (2, 64244880), (3, 42829920), (4, 32122440), (5, 25697952), (6, 21414960), (7, 18355680), (8, 16061220), (9, 14276640), (10, 12848976), (12, 10707480), (14, 9177840), (15, 8565984), (16, 8030610), (18, 7138320), (20, 6424488), (21, 6118560), (24, 5353740), (27, 4758880), (28, 4588920), (30, 4282992), (32, 4015305), (35, 3671136), (36, 3569160), (40, 3212244), (42, 3059280), (45, 2855328), (48, 2676870), (49, 2622240), (54, 2379440), (56, 2294460), (60, 2141496), (63, 2039520), (70, 1835568), (72, 1784580), (80, 1606122), (84, 1529640), (90, 1427664), (96, 1338435), (98, 1311120), (105, 1223712), (108, 1189720), (112, 1147230), (120, 1070748), (126, 1019760), (135, 951776), (140, 917784), (144, 892290), (147, 874080), (160, 803061), (168, 764820), (180, 713832), (189, 679840), (196, 655560), (210, 611856), (216, 594860), (224, 573615), (240, 535374), (245, 524448), (252, 509880), (270, 475888), (280, 458892), (288, 446145), (294, 437040), (315, 407904), (336, 382410), (360, 356916), (378, 339920), (392, 327780), (420, 305928), (432, 297430), (441, 291360), (480, 267687), (490, 262224), (504, 254940), (540, 237944), (560, 229446), (588, 218520), (607, 211680), (630, 203952), (672, 191205), (720, 178458), (735, 174816), (756, 169960), (784, 163890), (840, 152964), (864, 148715), (882, 145680), (945, 135968), (980, 131112), (1008, 127470), (1080, 118972), (1120, 114723), (1176, 109260), (1214, 105840), (1260, 101976), (1323, 97120), (1440, 89229), (1470, 87408), (1512, 84980), (1568, 81945), (1680, 76482), (1764, 72840), (1821, 70560), (1890, 67984), (1960, 65556), (2016, 63735), (2160, 59486), (2205, 58272), (2352, 54630), (2428, 52920), (2520, 50988), (2646, 48560), (2940, 43704), (3024, 42490), (3035, 42336), (3360, 38241), (3528, 36420), (3642, 35280), (3780, 33992), (3920, 32778), (4249, 30240), (4320, 29743), (4410, 29136), (4704, 27315), (4856, 26460), (5040, 25494), (5292, 24280), (5463, 23520), (5880, 21852), (6048, 21245), (6070, 21168), (6615, 19424), (7056, 18210), (7284, 17640), (7560, 16996), (7840, 16389), (8498, 15120), (8820, 14568), (9105, 14112), (9712, 13230), (10080, 12747), (10584, 12140), (10926, 11760)]