74645480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20507}}^1$

素因数の和:20538

約数の個数: 64

約数和(自身を含む): 206720640

約数和(自身を除く): 132075160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 20507, 41014, 82028, 102535, 143549, 164056, 205070, 266591, 287098, 410140, 533182, 574196, 717745, 820280, 1066364, 1148392, 1332955, 1435490, 1866137, 2132728, 2665910, 2870980, 3732274, 5331820, 5741960, 7464548, 9330685, 10663640, 14929096, 18661370, 37322740, 74645480]

約数ペア:

[(1, 74645480), (2, 37322740), (4, 18661370), (5, 14929096), (7, 10663640), (8, 9330685), (10, 7464548), (13, 5741960), (14, 5331820), (20, 3732274), (26, 2870980), (28, 2665910), (35, 2132728), (40, 1866137), (52, 1435490), (56, 1332955), (65, 1148392), (70, 1066364), (91, 820280), (104, 717745), (130, 574196), (140, 533182), (182, 410140), (260, 287098), (280, 266591), (364, 205070), (455, 164056), (520, 143549), (728, 102535), (910, 82028), (1820, 41014), (3640, 20507)]