1200017920

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3691}}^1$

素因数の和:3841

約数の個数: 80

約数和(自身を含む): 2900671488

約数和(自身を除く): 1700653568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1270, 1280, 2032, 2540, 2560, 3691, 4064, 5080, 7382, 8128, 10160, 14764, 16256, 18455, 20320, 29528, 32512, 36910, 40640, 59056, 65024, 73820, 81280, 118112, 147640, 162560, 236224, 295280, 325120, 468757, 472448, 590560, 937514, 944896, 1181120, 1875028, 1889792, 2343785, 2362240, 3750056, 4687570, 4724480, 7500112, 9375140, 9448960, 15000224, 18750280, 30000448, 37500560, 60000896, 75001120, 120001792, 150002240, 240003584, 300004480, 600008960, 1200017920]

約数ペア:

[(1, 1200017920), (2, 600008960), (4, 300004480), (5, 240003584), (8, 150002240), (10, 120001792), (16, 75001120), (20, 60000896), (32, 37500560), (40, 30000448), (64, 18750280), (80, 15000224), (127, 9448960), (128, 9375140), (160, 7500112), (254, 4724480), (256, 4687570), (320, 3750056), (508, 2362240), (512, 2343785), (635, 1889792), (640, 1875028), (1016, 1181120), (1270, 944896), (1280, 937514), (2032, 590560), (2540, 472448), (2560, 468757), (3691, 325120), (4064, 295280), (5080, 236224), (7382, 162560), (8128, 147640), (10160, 118112), (14764, 81280), (16256, 73820), (18455, 65024), (20320, 59056), (29528, 40640), (32512, 36910)]