65354480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 157088160

約数和(自身を除く): 91733680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 89, 134, 137, 178, 268, 274, 335, 356, 445, 536, 548, 670, 685, 712, 890, 1072, 1096, 1340, 1370, 1424, 1780, 2192, 2680, 2740, 3560, 5360, 5480, 5963, 7120, 9179, 10960, 11926, 12193, 18358, 23852, 24386, 29815, 36716, 45895, 47704, 48772, 59630, 60965, 73432, 91790, 95408, 97544, 119260, 121930, 146864, 183580, 195088, 238520, 243860, 367160, 477040, 487720, 734320, 816931, 975440, 1633862, 3267724, 4084655, 6535448, 8169310, 13070896, 16338620, 32677240, 65354480]

約数ペア:

[(1, 65354480), (2, 32677240), (4, 16338620), (5, 13070896), (8, 8169310), (10, 6535448), (16, 4084655), (20, 3267724), (40, 1633862), (67, 975440), (80, 816931), (89, 734320), (134, 487720), (137, 477040), (178, 367160), (268, 243860), (274, 238520), (335, 195088), (356, 183580), (445, 146864), (536, 121930), (548, 119260), (670, 97544), (685, 95408), (712, 91790), (890, 73432), (1072, 60965), (1096, 59630), (1340, 48772), (1370, 47704), (1424, 45895), (1780, 36716), (2192, 29815), (2680, 24386), (2740, 23852), (3560, 18358), (5360, 12193), (5480, 11926), (5963, 10960), (7120, 9179)]