1239840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 5080320

約数和(自身を除く): 3840480

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, 41, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 82, 84, 90, 96, 105, 108, 112, 120, 123, 126, 135, 140, 144, 160, 164, 168, 180, 189, 205, 210, 216, 224, 240, 246, 252, 270, 280, 287, 288, 315, 328, 336, 360, 369, 378, 410, 420, 432, 480, 492, 504, 540, 560, 574, 615, 630, 656, 672, 720, 738, 756, 820, 840, 861, 864, 945, 984, 1008, 1080, 1107, 1120, 1148, 1230, 1260, 1312, 1435, 1440, 1476, 1512, 1640, 1680, 1722, 1845, 1890, 1968, 2016, 2160, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3024, 3280, 3360, 3444, 3690, 3780, 3936, 4305, 4320, 4428, 4592, 4920, 5040, 5166, 5535, 5740, 5904, 6048, 6560, 6888, 7380, 7560, 7749, 8610, 8856, 9184, 9840, 10080, 10332, 11070, 11480, 11808, 12915, 13776, 14760, 15120, 15498, 17220, 17712, 19680, 20664, 22140, 22960, 25830, 27552, 29520, 30240, 30996, 34440, 35424, 38745, 41328, 44280, 45920, 51660, 59040, 61992, 68880, 77490, 82656, 88560, 103320, 123984, 137760, 154980, 177120, 206640, 247968, 309960, 413280, 619920, 1239840]

約数ペア:

[(1, 1239840), (2, 619920), (3, 413280), (4, 309960), (5, 247968), (6, 206640), (7, 177120), (8, 154980), (9, 137760), (10, 123984), (12, 103320), (14, 88560), (15, 82656), (16, 77490), (18, 68880), (20, 61992), (21, 59040), (24, 51660), (27, 45920), (28, 44280), (30, 41328), (32, 38745), (35, 35424), (36, 34440), (40, 30996), (41, 30240), (42, 29520), (45, 27552), (48, 25830), (54, 22960), (56, 22140), (60, 20664), (63, 19680), (70, 17712), (72, 17220), (80, 15498), (82, 15120), (84, 14760), (90, 13776), (96, 12915), (105, 11808), (108, 11480), (112, 11070), (120, 10332), (123, 10080), (126, 9840), (135, 9184), (140, 8856), (144, 8610), (160, 7749), (164, 7560), (168, 7380), (180, 6888), (189, 6560), (205, 6048), (210, 5904), (216, 5740), (224, 5535), (240, 5166), (246, 5040), (252, 4920), (270, 4592), (280, 4428), (287, 4320), (288, 4305), (315, 3936), (328, 3780), (336, 3690), (360, 3444), (369, 3360), (378, 3280), (410, 3024), (420, 2952), (432, 2870), (480, 2583), (492, 2520), (504, 2460), (540, 2296), (560, 2214), (574, 2160), (615, 2016), (630, 1968), (656, 1890), (672, 1845), (720, 1722), (738, 1680), (756, 1640), (820, 1512), (840, 1476), (861, 1440), (864, 1435), (945, 1312), (984, 1260), (1008, 1230), (1080, 1148), (1107, 1120)]