20749062720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{304417}}^1$

素因数の和:304508

約数の個数: 112

約数和(自身を含む): 66806356608

約数和(自身を除く): 46057293888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 320, 355, 426, 480, 568, 710, 852, 960, 1065, 1136, 1420, 1704, 2130, 2272, 2840, 3408, 4260, 4544, 5680, 6816, 8520, 11360, 13632, 17040, 22720, 34080, 68160, 304417, 608834, 913251, 1217668, 1522085, 1826502, 2435336, 3044170, 3653004, 4566255, 4870672, 6088340, 7306008, 9132510, 9741344, 12176680, 14612016, 18265020, 19482688, 21613607, 24353360, 29224032, 36530040, 43227214, 48706720, 58448064, 64840821, 73060080, 86454428, 97413440, 108068035, 129681642, 146120160, 172908856, 216136070, 259363284, 292240320, 324204105, 345817712, 432272140, 518726568, 648408210, 691635424, 864544280, 1037453136, 1296816420, 1383270848, 1729088560, 2074906272, 2593632840, 3458177120, 4149812544, 5187265680, 6916354240, 10374531360, 20749062720]

約数ペア:

[(1, 20749062720), (2, 10374531360), (3, 6916354240), (4, 5187265680), (5, 4149812544), (6, 3458177120), (8, 2593632840), (10, 2074906272), (12, 1729088560), (15, 1383270848), (16, 1296816420), (20, 1037453136), (24, 864544280), (30, 691635424), (32, 648408210), (40, 518726568), (48, 432272140), (60, 345817712), (64, 324204105), (71, 292240320), (80, 259363284), (96, 216136070), (120, 172908856), (142, 146120160), (160, 129681642), (192, 108068035), (213, 97413440), (240, 86454428), (284, 73060080), (320, 64840821), (355, 58448064), (426, 48706720), (480, 43227214), (568, 36530040), (710, 29224032), (852, 24353360), (960, 21613607), (1065, 19482688), (1136, 18265020), (1420, 14612016), (1704, 12176680), (2130, 9741344), (2272, 9132510), (2840, 7306008), (3408, 6088340), (4260, 4870672), (4544, 4566255), (5680, 3653004), (6816, 3044170), (8520, 2435336), (11360, 1826502), (13632, 1522085), (17040, 1217668), (22720, 913251), (34080, 608834), (68160, 304417)]