16917966080

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:972

約数の個数: 144

約数和(自身を含む): 41278367424

約数和(自身を除く): 24360401344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 331, 365, 547, 584, 640, 662, 730, 1094, 1168, 1280, 1324, 1460, 1655, 2188, 2336, 2648, 2735, 2920, 3310, 4376, 4672, 5296, 5470, 5840, 6620, 8752, 9344, 10592, 10940, 11680, 13240, 17504, 18688, 21184, 21880, 23360, 24163, 26480, 35008, 39931, 42368, 43760, 46720, 48326, 52960, 70016, 79862, 84736, 87520, 93440, 96652, 105920, 120815, 140032, 159724, 175040, 181057, 193304, 199655, 211840, 241630, 319448, 350080, 362114, 386608, 399310, 423680, 483260, 638896, 700160, 724228, 773216, 798620, 905285, 966520, 1277792, 1448456, 1546432, 1597240, 1810570, 1933040, 2555584, 2896912, 3092864, 3194480, 3621140, 3866080, 5111168, 5793824, 6185728, 6388960, 7242280, 7732160, 10222336, 11587648, 12777920, 13217161, 14484560, 15464320, 23175296, 25555840, 26434322, 28969120, 30928640, 46350592, 51111680, 52868644, 57938240, 66085805, 105737288, 115876480, 132171610, 211474576, 231752960, 264343220, 422949152, 528686440, 845898304, 1057372880, 1691796608, 2114745760, 3383593216, 4229491520, 8458983040, 16917966080]

約数ペア:

[(1, 16917966080), (2, 8458983040), (4, 4229491520), (5, 3383593216), (8, 2114745760), (10, 1691796608), (16, 1057372880), (20, 845898304), (32, 528686440), (40, 422949152), (64, 264343220), (73, 231752960), (80, 211474576), (128, 132171610), (146, 115876480), (160, 105737288), (256, 66085805), (292, 57938240), (320, 52868644), (331, 51111680), (365, 46350592), (547, 30928640), (584, 28969120), (640, 26434322), (662, 25555840), (730, 23175296), (1094, 15464320), (1168, 14484560), (1280, 13217161), (1324, 12777920), (1460, 11587648), (1655, 10222336), (2188, 7732160), (2336, 7242280), (2648, 6388960), (2735, 6185728), (2920, 5793824), (3310, 5111168), (4376, 3866080), (4672, 3621140), (5296, 3194480), (5470, 3092864), (5840, 2896912), (6620, 2555584), (8752, 1933040), (9344, 1810570), (10592, 1597240), (10940, 1546432), (11680, 1448456), (13240, 1277792), (17504, 966520), (18688, 905285), (21184, 798620), (21880, 773216), (23360, 724228), (24163, 700160), (26480, 638896), (35008, 483260), (39931, 423680), (42368, 399310), (43760, 386608), (46720, 362114), (48326, 350080), (52960, 319448), (70016, 241630), (79862, 211840), (84736, 199655), (87520, 193304), (93440, 181057), (96652, 175040), (105920, 159724), (120815, 140032)]