1905120

素因数分解:

$2^5\times 3^5\times 5^1\times 7^2$

素因数の和:44

約数の個数: 216

約数和(自身を含む): 7842744

約数和(自身を除く): 5937624

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, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 243, 245, 252, 270, 280, 288, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 480, 486, 490, 504, 540, 560, 567, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 972, 980, 1008, 1080, 1120, 1134, 1176, 1215, 1260, 1296, 1323, 1440, 1470, 1512, 1568, 1620, 1680, 1701, 1764, 1890, 1944, 1960, 2016, 2160, 2205, 2268, 2352, 2430, 2520, 2592, 2646, 2835, 2940, 3024, 3240, 3360, 3402, 3528, 3780, 3888, 3920, 3969, 4320, 4410, 4536, 4704, 4860, 5040, 5292, 5670, 5880, 6048, 6480, 6615, 6804, 7056, 7560, 7776, 7840, 7938, 8505, 8820, 9072, 9720, 10080, 10584, 11340, 11760, 11907, 12960, 13230, 13608, 14112, 15120, 15876, 17010, 17640, 18144, 19440, 19845, 21168, 22680, 23520, 23814, 26460, 27216, 30240, 31752, 34020, 35280, 38880, 39690, 42336, 45360, 47628, 52920, 54432, 59535, 63504, 68040, 70560, 79380, 90720, 95256, 105840, 119070, 127008, 136080, 158760, 190512, 211680, 238140, 272160, 317520, 381024, 476280, 635040, 952560, 1905120]

約数ペア:

[(1, 1905120), (2, 952560), (3, 635040), (4, 476280), (5, 381024), (6, 317520), (7, 272160), (8, 238140), (9, 211680), (10, 190512), (12, 158760), (14, 136080), (15, 127008), (16, 119070), (18, 105840), (20, 95256), (21, 90720), (24, 79380), (27, 70560), (28, 68040), (30, 63504), (32, 59535), (35, 54432), (36, 52920), (40, 47628), (42, 45360), (45, 42336), (48, 39690), (49, 38880), (54, 35280), (56, 34020), (60, 31752), (63, 30240), (70, 27216), (72, 26460), (80, 23814), (81, 23520), (84, 22680), (90, 21168), (96, 19845), (98, 19440), (105, 18144), (108, 17640), (112, 17010), (120, 15876), (126, 15120), (135, 14112), (140, 13608), (144, 13230), (147, 12960), (160, 11907), (162, 11760), (168, 11340), (180, 10584), (189, 10080), (196, 9720), (210, 9072), (216, 8820), (224, 8505), (240, 7938), (243, 7840), (245, 7776), (252, 7560), (270, 7056), (280, 6804), (288, 6615), (294, 6480), (315, 6048), (324, 5880), (336, 5670), (360, 5292), (378, 5040), (392, 4860), (405, 4704), (420, 4536), (432, 4410), (441, 4320), (480, 3969), (486, 3920), (490, 3888), (504, 3780), (540, 3528), (560, 3402), (567, 3360), (588, 3240), (630, 3024), (648, 2940), (672, 2835), (720, 2646), (735, 2592), (756, 2520), (784, 2430), (810, 2352), (840, 2268), (864, 2205), (882, 2160), (945, 2016), (972, 1960), (980, 1944), (1008, 1890), (1080, 1764), (1120, 1701), (1134, 1680), (1176, 1620), (1215, 1568), (1260, 1512), (1296, 1470), (1323, 1440)]