20801322720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4815121}}^1$

素因数の和:4815145

約数の個数: 96

約数和(自身を含む): 72804644640

約数和(自身を除く): 52003321920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4815121, 9630242, 14445363, 19260484, 24075605, 28890726, 38520968, 43336089, 48151210, 57781452, 72226815, 77041936, 86672178, 96302420, 115562904, 130008267, 144453630, 154083872, 173344356, 192604840, 216680445, 231125808, 260016534, 288907260, 346688712, 385209680, 433360890, 462251616, 520033068, 577814520, 650041335, 693377424, 770419360, 866721780, 1040066136, 1155629040, 1300082670, 1386754848, 1733443560, 2080132272, 2311258080, 2600165340, 3466887120, 4160264544, 5200330680, 6933774240, 10400661360, 20801322720]

約数ペア:

[(1, 20801322720), (2, 10400661360), (3, 6933774240), (4, 5200330680), (5, 4160264544), (6, 3466887120), (8, 2600165340), (9, 2311258080), (10, 2080132272), (12, 1733443560), (15, 1386754848), (16, 1300082670), (18, 1155629040), (20, 1040066136), (24, 866721780), (27, 770419360), (30, 693377424), (32, 650041335), (36, 577814520), (40, 520033068), (45, 462251616), (48, 433360890), (54, 385209680), (60, 346688712), (72, 288907260), (80, 260016534), (90, 231125808), (96, 216680445), (108, 192604840), (120, 173344356), (135, 154083872), (144, 144453630), (160, 130008267), (180, 115562904), (216, 96302420), (240, 86672178), (270, 77041936), (288, 72226815), (360, 57781452), (432, 48151210), (480, 43336089), (540, 38520968), (720, 28890726), (864, 24075605), (1080, 19260484), (1440, 14445363), (2160, 9630242), (4320, 4815121)]