1394820

素因数分解:

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

素因数の和:72

約数の個数: 144

約数和(自身を含む): 5136768

約数和(自身を除く): 3741948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 81, 82, 84, 90, 105, 108, 123, 126, 135, 140, 162, 164, 180, 189, 205, 210, 243, 246, 252, 270, 287, 315, 324, 369, 378, 405, 410, 420, 486, 492, 540, 567, 574, 615, 630, 738, 756, 810, 820, 861, 945, 972, 1107, 1134, 1148, 1215, 1230, 1260, 1435, 1476, 1620, 1701, 1722, 1845, 1890, 2214, 2268, 2430, 2460, 2583, 2835, 2870, 3321, 3402, 3444, 3690, 3780, 4305, 4428, 4860, 5166, 5535, 5670, 5740, 6642, 6804, 7380, 7749, 8505, 8610, 9963, 10332, 11070, 11340, 12915, 13284, 15498, 16605, 17010, 17220, 19926, 22140, 23247, 25830, 30996, 33210, 34020, 38745, 39852, 46494, 49815, 51660, 66420, 69741, 77490, 92988, 99630, 116235, 139482, 154980, 199260, 232470, 278964, 348705, 464940, 697410, 1394820]

約数ペア:

[(1, 1394820), (2, 697410), (3, 464940), (4, 348705), (5, 278964), (6, 232470), (7, 199260), (9, 154980), (10, 139482), (12, 116235), (14, 99630), (15, 92988), (18, 77490), (20, 69741), (21, 66420), (27, 51660), (28, 49815), (30, 46494), (35, 39852), (36, 38745), (41, 34020), (42, 33210), (45, 30996), (54, 25830), (60, 23247), (63, 22140), (70, 19926), (81, 17220), (82, 17010), (84, 16605), (90, 15498), (105, 13284), (108, 12915), (123, 11340), (126, 11070), (135, 10332), (140, 9963), (162, 8610), (164, 8505), (180, 7749), (189, 7380), (205, 6804), (210, 6642), (243, 5740), (246, 5670), (252, 5535), (270, 5166), (287, 4860), (315, 4428), (324, 4305), (369, 3780), (378, 3690), (405, 3444), (410, 3402), (420, 3321), (486, 2870), (492, 2835), (540, 2583), (567, 2460), (574, 2430), (615, 2268), (630, 2214), (738, 1890), (756, 1845), (810, 1722), (820, 1701), (861, 1620), (945, 1476), (972, 1435), (1107, 1260), (1134, 1230), (1148, 1215)]