19527480

素因数分解:

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

素因数の和:81

約数の個数: 288

約数和(自身を含む): 78427440

約数和(自身を除く): 58899960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 82, 84, 90, 98, 105, 108, 120, 123, 126, 135, 140, 147, 162, 164, 168, 180, 189, 196, 205, 210, 216, 243, 245, 246, 252, 270, 280, 287, 294, 315, 324, 328, 360, 369, 378, 392, 405, 410, 420, 441, 486, 490, 492, 504, 540, 567, 574, 588, 615, 630, 648, 735, 738, 756, 810, 820, 840, 861, 882, 945, 972, 980, 984, 1080, 1107, 1134, 1148, 1176, 1215, 1230, 1260, 1323, 1435, 1470, 1476, 1512, 1620, 1640, 1701, 1722, 1764, 1845, 1890, 1944, 1960, 2009, 2205, 2214, 2268, 2296, 2430, 2460, 2520, 2583, 2646, 2835, 2870, 2940, 2952, 3240, 3321, 3402, 3444, 3528, 3690, 3780, 3969, 4018, 4305, 4410, 4428, 4536, 4860, 4920, 5166, 5292, 5535, 5670, 5740, 5880, 6027, 6615, 6642, 6804, 6888, 7380, 7560, 7749, 7938, 8036, 8505, 8610, 8820, 8856, 9720, 9963, 10045, 10332, 10584, 11070, 11340, 11480, 11907, 12054, 12915, 13230, 13284, 13608, 14760, 15498, 15876, 16072, 16605, 17010, 17220, 17640, 18081, 19845, 19926, 20090, 20664, 22140, 22680, 23247, 23814, 24108, 25830, 26460, 26568, 30135, 30996, 31752, 33210, 34020, 34440, 36162, 38745, 39690, 39852, 40180, 44280, 46494, 47628, 48216, 49815, 51660, 52920, 54243, 59535, 60270, 61992, 66420, 68040, 69741, 72324, 77490, 79380, 79704, 80360, 90405, 92988, 95256, 99630, 103320, 108486, 116235, 119070, 120540, 132840, 139482, 144648, 154980, 158760, 162729, 180810, 185976, 199260, 216972, 232470, 238140, 241080, 271215, 278964, 309960, 325458, 348705, 361620, 398520, 433944, 464940, 476280, 488187, 542430, 557928, 650916, 697410, 723240, 813645, 929880, 976374, 1084860, 1301832, 1394820, 1627290, 1952748, 2169720, 2440935, 2789640, 3254580, 3905496, 4881870, 6509160, 9763740, 19527480]

約数ペア:

[(1, 19527480), (2, 9763740), (3, 6509160), (4, 4881870), (5, 3905496), (6, 3254580), (7, 2789640), (8, 2440935), (9, 2169720), (10, 1952748), (12, 1627290), (14, 1394820), (15, 1301832), (18, 1084860), (20, 976374), (21, 929880), (24, 813645), (27, 723240), (28, 697410), (30, 650916), (35, 557928), (36, 542430), (40, 488187), (41, 476280), (42, 464940), (45, 433944), (49, 398520), (54, 361620), (56, 348705), (60, 325458), (63, 309960), (70, 278964), (72, 271215), (81, 241080), (82, 238140), (84, 232470), (90, 216972), (98, 199260), (105, 185976), (108, 180810), (120, 162729), (123, 158760), (126, 154980), (135, 144648), (140, 139482), (147, 132840), (162, 120540), (164, 119070), (168, 116235), (180, 108486), (189, 103320), (196, 99630), (205, 95256), (210, 92988), (216, 90405), (243, 80360), (245, 79704), (246, 79380), (252, 77490), (270, 72324), (280, 69741), (287, 68040), (294, 66420), (315, 61992), (324, 60270), (328, 59535), (360, 54243), (369, 52920), (378, 51660), (392, 49815), (405, 48216), (410, 47628), (420, 46494), (441, 44280), (486, 40180), (490, 39852), (492, 39690), (504, 38745), (540, 36162), (567, 34440), (574, 34020), (588, 33210), (615, 31752), (630, 30996), (648, 30135), (735, 26568), (738, 26460), (756, 25830), (810, 24108), (820, 23814), (840, 23247), (861, 22680), (882, 22140), (945, 20664), (972, 20090), (980, 19926), (984, 19845), (1080, 18081), (1107, 17640), (1134, 17220), (1148, 17010), (1176, 16605), (1215, 16072), (1230, 15876), (1260, 15498), (1323, 14760), (1435, 13608), (1470, 13284), (1476, 13230), (1512, 12915), (1620, 12054), (1640, 11907), (1701, 11480), (1722, 11340), (1764, 11070), (1845, 10584), (1890, 10332), (1944, 10045), (1960, 9963), (2009, 9720), (2205, 8856), (2214, 8820), (2268, 8610), (2296, 8505), (2430, 8036), (2460, 7938), (2520, 7749), (2583, 7560), (2646, 7380), (2835, 6888), (2870, 6804), (2940, 6642), (2952, 6615), (3240, 6027), (3321, 5880), (3402, 5740), (3444, 5670), (3528, 5535), (3690, 5292), (3780, 5166), (3969, 4920), (4018, 4860), (4305, 4536), (4410, 4428)]