19962720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4621}}^1$

素因数の和:4645

約数の個数: 96

約数和(自身を含む): 69884640

約数和(自身を除く): 49921920

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, 4621, 9242, 13863, 18484, 23105, 27726, 36968, 41589, 46210, 55452, 69315, 73936, 83178, 92420, 110904, 124767, 138630, 147872, 166356, 184840, 207945, 221808, 249534, 277260, 332712, 369680, 415890, 443616, 499068, 554520, 623835, 665424, 739360, 831780, 998136, 1109040, 1247670, 1330848, 1663560, 1996272, 2218080, 2495340, 3327120, 3992544, 4990680, 6654240, 9981360, 19962720]

約数ペア:

[(1, 19962720), (2, 9981360), (3, 6654240), (4, 4990680), (5, 3992544), (6, 3327120), (8, 2495340), (9, 2218080), (10, 1996272), (12, 1663560), (15, 1330848), (16, 1247670), (18, 1109040), (20, 998136), (24, 831780), (27, 739360), (30, 665424), (32, 623835), (36, 554520), (40, 499068), (45, 443616), (48, 415890), (54, 369680), (60, 332712), (72, 277260), (80, 249534), (90, 221808), (96, 207945), (108, 184840), (120, 166356), (135, 147872), (144, 138630), (160, 124767), (180, 110904), (216, 92420), (240, 83178), (270, 73936), (288, 69315), (360, 55452), (432, 46210), (480, 41589), (540, 36968), (720, 27726), (864, 23105), (1080, 18484), (1440, 13863), (2160, 9242), (4320, 4621)]