1561876480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1201}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 3780241920

約数和(自身を除く): 2218365440

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, 1024, 1201, 1270, 1280, 2032, 2048, 2402, 2540, 2560, 4064, 4804, 5080, 5120, 6005, 8128, 9608, 10160, 10240, 12010, 16256, 19216, 20320, 24020, 32512, 38432, 40640, 48040, 65024, 76864, 81280, 96080, 130048, 152527, 153728, 162560, 192160, 260096, 305054, 307456, 325120, 384320, 610108, 614912, 650240, 762635, 768640, 1220216, 1229824, 1300480, 1525270, 1537280, 2440432, 2459648, 3050540, 3074560, 4880864, 6101080, 6149120, 9761728, 12202160, 12298240, 19523456, 24404320, 39046912, 48808640, 78093824, 97617280, 156187648, 195234560, 312375296, 390469120, 780938240, 1561876480]

約数ペア:

[(1, 1561876480), (2, 780938240), (4, 390469120), (5, 312375296), (8, 195234560), (10, 156187648), (16, 97617280), (20, 78093824), (32, 48808640), (40, 39046912), (64, 24404320), (80, 19523456), (127, 12298240), (128, 12202160), (160, 9761728), (254, 6149120), (256, 6101080), (320, 4880864), (508, 3074560), (512, 3050540), (635, 2459648), (640, 2440432), (1016, 1537280), (1024, 1525270), (1201, 1300480), (1270, 1229824), (1280, 1220216), (2032, 768640), (2048, 762635), (2402, 650240), (2540, 614912), (2560, 610108), (4064, 384320), (4804, 325120), (5080, 307456), (5120, 305054), (6005, 260096), (8128, 192160), (9608, 162560), (10160, 153728), (10240, 152527), (12010, 130048), (16256, 96080), (19216, 81280), (20320, 76864), (24020, 65024), (32512, 48040), (38432, 40640)]