66973480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12589}}^1$

素因数の和:12626

約数の個数: 64

約数和(自身を含む): 181296000

約数和(自身を除く): 114322520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 12589, 25178, 50356, 62945, 88123, 100712, 125890, 176246, 239191, 251780, 352492, 440615, 478382, 503560, 704984, 881230, 956764, 1195955, 1674337, 1762460, 1913528, 2391910, 3348674, 3524920, 4783820, 6697348, 8371685, 9567640, 13394696, 16743370, 33486740, 66973480]

約数ペア:

[(1, 66973480), (2, 33486740), (4, 16743370), (5, 13394696), (7, 9567640), (8, 8371685), (10, 6697348), (14, 4783820), (19, 3524920), (20, 3348674), (28, 2391910), (35, 1913528), (38, 1762460), (40, 1674337), (56, 1195955), (70, 956764), (76, 881230), (95, 704984), (133, 503560), (140, 478382), (152, 440615), (190, 352492), (266, 251780), (280, 239191), (380, 176246), (532, 125890), (665, 100712), (760, 88123), (1064, 62945), (1330, 50356), (2660, 25178), (5320, 12589)]