2120390720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:801

約数の個数: 168

約数和(自身を含む): 5907024000

約数和(自身を除く): 3786633280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 271, 280, 320, 392, 448, 490, 499, 542, 560, 784, 980, 998, 1084, 1120, 1355, 1568, 1897, 1960, 1996, 2168, 2240, 2495, 2710, 3136, 3493, 3794, 3920, 3992, 4336, 4990, 5420, 6986, 7588, 7840, 7984, 8672, 9485, 9980, 10840, 13279, 13972, 15176, 15680, 15968, 17344, 17465, 18970, 19960, 21680, 24451, 26558, 27944, 30352, 31936, 34930, 37940, 39920, 43360, 48902, 53116, 55888, 60704, 66395, 69860, 75880, 79840, 86720, 97804, 106232, 111776, 121408, 122255, 132790, 135229, 139720, 151760, 159680, 195608, 212464, 223552, 244510, 265580, 270458, 279440, 303520, 391216, 424928, 489020, 531160, 540916, 558880, 607040, 676145, 782432, 849856, 946603, 978040, 1062320, 1081832, 1117760, 1352290, 1564864, 1893206, 1956080, 2124640, 2163664, 2704580, 3786412, 3912160, 4249280, 4327328, 4733015, 5409160, 6626221, 7572824, 7824320, 8654656, 9466030, 10818320, 13252442, 15145648, 18932060, 21636640, 26504884, 30291296, 33131105, 37864120, 43273280, 53009768, 60582592, 66262210, 75728240, 106019536, 132524420, 151456480, 212039072, 265048840, 302912960, 424078144, 530097680, 1060195360, 2120390720]

約数ペア:

[(1, 2120390720), (2, 1060195360), (4, 530097680), (5, 424078144), (7, 302912960), (8, 265048840), (10, 212039072), (14, 151456480), (16, 132524420), (20, 106019536), (28, 75728240), (32, 66262210), (35, 60582592), (40, 53009768), (49, 43273280), (56, 37864120), (64, 33131105), (70, 30291296), (80, 26504884), (98, 21636640), (112, 18932060), (140, 15145648), (160, 13252442), (196, 10818320), (224, 9466030), (245, 8654656), (271, 7824320), (280, 7572824), (320, 6626221), (392, 5409160), (448, 4733015), (490, 4327328), (499, 4249280), (542, 3912160), (560, 3786412), (784, 2704580), (980, 2163664), (998, 2124640), (1084, 1956080), (1120, 1893206), (1355, 1564864), (1568, 1352290), (1897, 1117760), (1960, 1081832), (1996, 1062320), (2168, 978040), (2240, 946603), (2495, 849856), (2710, 782432), (3136, 676145), (3493, 607040), (3794, 558880), (3920, 540916), (3992, 531160), (4336, 489020), (4990, 424928), (5420, 391216), (6986, 303520), (7588, 279440), (7840, 270458), (7984, 265580), (8672, 244510), (9485, 223552), (9980, 212464), (10840, 195608), (13279, 159680), (13972, 151760), (15176, 139720), (15680, 135229), (15968, 132790), (17344, 122255), (17465, 121408), (18970, 111776), (19960, 106232), (21680, 97804), (24451, 86720), (26558, 79840), (27944, 75880), (30352, 69860), (31936, 66395), (34930, 60704), (37940, 55888), (39920, 53116), (43360, 48902)]