89895680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 251166720

約数和(自身を除く): 161271040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 127, 128, 140, 158, 160, 224, 254, 256, 280, 316, 320, 395, 448, 508, 553, 560, 632, 635, 640, 790, 889, 896, 1016, 1106, 1120, 1264, 1270, 1280, 1580, 1778, 1792, 2032, 2212, 2240, 2528, 2540, 2765, 3160, 3556, 4064, 4424, 4445, 4480, 5056, 5080, 5530, 6320, 7112, 8128, 8848, 8890, 8960, 10033, 10112, 10160, 11060, 12640, 14224, 16256, 17696, 17780, 20066, 20224, 20320, 22120, 25280, 28448, 32512, 35392, 35560, 40132, 40640, 44240, 50165, 50560, 56896, 70231, 70784, 71120, 80264, 81280, 88480, 100330, 101120, 113792, 140462, 141568, 142240, 160528, 162560, 176960, 200660, 227584, 280924, 284480, 321056, 351155, 353920, 401320, 561848, 568960, 642112, 702310, 707840, 802640, 1123696, 1137920, 1284224, 1404620, 1605280, 2247392, 2568448, 2809240, 3210560, 4494784, 5618480, 6421120, 8989568, 11236960, 12842240, 17979136, 22473920, 44947840, 89895680]

約数ペア:

[(1, 89895680), (2, 44947840), (4, 22473920), (5, 17979136), (7, 12842240), (8, 11236960), (10, 8989568), (14, 6421120), (16, 5618480), (20, 4494784), (28, 3210560), (32, 2809240), (35, 2568448), (40, 2247392), (56, 1605280), (64, 1404620), (70, 1284224), (79, 1137920), (80, 1123696), (112, 802640), (127, 707840), (128, 702310), (140, 642112), (158, 568960), (160, 561848), (224, 401320), (254, 353920), (256, 351155), (280, 321056), (316, 284480), (320, 280924), (395, 227584), (448, 200660), (508, 176960), (553, 162560), (560, 160528), (632, 142240), (635, 141568), (640, 140462), (790, 113792), (889, 101120), (896, 100330), (1016, 88480), (1106, 81280), (1120, 80264), (1264, 71120), (1270, 70784), (1280, 70231), (1580, 56896), (1778, 50560), (1792, 50165), (2032, 44240), (2212, 40640), (2240, 40132), (2528, 35560), (2540, 35392), (2765, 32512), (3160, 28448), (3556, 25280), (4064, 22120), (4424, 20320), (4445, 20224), (4480, 20066), (5056, 17780), (5080, 17696), (5530, 16256), (6320, 14224), (7112, 12640), (8128, 11060), (8848, 10160), (8890, 10112), (8960, 10033)]