16221240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 62112960

約数和(自身を除く): 45891720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 56, 60, 63, 70, 72, 82, 84, 90, 105, 120, 123, 126, 140, 157, 164, 168, 180, 205, 210, 246, 252, 280, 287, 314, 315, 328, 360, 369, 410, 420, 471, 492, 504, 574, 615, 628, 630, 738, 785, 820, 840, 861, 942, 984, 1099, 1148, 1230, 1256, 1260, 1413, 1435, 1476, 1570, 1640, 1722, 1845, 1884, 2198, 2296, 2355, 2460, 2520, 2583, 2826, 2870, 2952, 3140, 3297, 3444, 3690, 3768, 4305, 4396, 4710, 4920, 5166, 5495, 5652, 5740, 6280, 6437, 6594, 6888, 7065, 7380, 8610, 8792, 9420, 9891, 10332, 10990, 11304, 11480, 12874, 12915, 13188, 14130, 14760, 16485, 17220, 18840, 19311, 19782, 20664, 21980, 25748, 25830, 26376, 28260, 32185, 32970, 34440, 38622, 39564, 43960, 45059, 49455, 51496, 51660, 56520, 57933, 64370, 65940, 77244, 79128, 90118, 96555, 98910, 103320, 115866, 128740, 131880, 135177, 154488, 180236, 193110, 197820, 225295, 231732, 257480, 270354, 289665, 360472, 386220, 395640, 405531, 450590, 463464, 540708, 579330, 675885, 772440, 811062, 901180, 1081416, 1158660, 1351770, 1622124, 1802360, 2027655, 2317320, 2703540, 3244248, 4055310, 5407080, 8110620, 16221240]

約数ペア:

[(1, 16221240), (2, 8110620), (3, 5407080), (4, 4055310), (5, 3244248), (6, 2703540), (7, 2317320), (8, 2027655), (9, 1802360), (10, 1622124), (12, 1351770), (14, 1158660), (15, 1081416), (18, 901180), (20, 811062), (21, 772440), (24, 675885), (28, 579330), (30, 540708), (35, 463464), (36, 450590), (40, 405531), (41, 395640), (42, 386220), (45, 360472), (56, 289665), (60, 270354), (63, 257480), (70, 231732), (72, 225295), (82, 197820), (84, 193110), (90, 180236), (105, 154488), (120, 135177), (123, 131880), (126, 128740), (140, 115866), (157, 103320), (164, 98910), (168, 96555), (180, 90118), (205, 79128), (210, 77244), (246, 65940), (252, 64370), (280, 57933), (287, 56520), (314, 51660), (315, 51496), (328, 49455), (360, 45059), (369, 43960), (410, 39564), (420, 38622), (471, 34440), (492, 32970), (504, 32185), (574, 28260), (615, 26376), (628, 25830), (630, 25748), (738, 21980), (785, 20664), (820, 19782), (840, 19311), (861, 18840), (942, 17220), (984, 16485), (1099, 14760), (1148, 14130), (1230, 13188), (1256, 12915), (1260, 12874), (1413, 11480), (1435, 11304), (1476, 10990), (1570, 10332), (1640, 9891), (1722, 9420), (1845, 8792), (1884, 8610), (2198, 7380), (2296, 7065), (2355, 6888), (2460, 6594), (2520, 6437), (2583, 6280), (2826, 5740), (2870, 5652), (2952, 5495), (3140, 5166), (3297, 4920), (3444, 4710), (3690, 4396), (3768, 4305)]