89140520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 247484160

約数和(自身を除く): 158343640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 238, 244, 280, 305, 307, 340, 427, 476, 488, 595, 610, 614, 680, 854, 952, 1037, 1190, 1220, 1228, 1535, 1708, 2074, 2135, 2149, 2380, 2440, 2456, 3070, 3416, 4148, 4270, 4298, 4760, 5185, 5219, 6140, 7259, 8296, 8540, 8596, 10370, 10438, 10745, 12280, 14518, 17080, 17192, 18727, 20740, 20876, 21490, 26095, 29036, 36295, 36533, 37454, 41480, 41752, 42980, 52190, 58072, 72590, 73066, 74908, 85960, 93635, 104380, 131089, 145180, 146132, 149816, 182665, 187270, 208760, 262178, 290360, 292264, 318359, 365330, 374540, 524356, 636718, 655445, 730660, 749080, 1048712, 1273436, 1310890, 1461320, 1591795, 2228513, 2546872, 2621780, 3183590, 4457026, 5243560, 6367180, 8914052, 11142565, 12734360, 17828104, 22285130, 44570260, 89140520]

約数ペア:

[(1, 89140520), (2, 44570260), (4, 22285130), (5, 17828104), (7, 12734360), (8, 11142565), (10, 8914052), (14, 6367180), (17, 5243560), (20, 4457026), (28, 3183590), (34, 2621780), (35, 2546872), (40, 2228513), (56, 1591795), (61, 1461320), (68, 1310890), (70, 1273436), (85, 1048712), (119, 749080), (122, 730660), (136, 655445), (140, 636718), (170, 524356), (238, 374540), (244, 365330), (280, 318359), (305, 292264), (307, 290360), (340, 262178), (427, 208760), (476, 187270), (488, 182665), (595, 149816), (610, 146132), (614, 145180), (680, 131089), (854, 104380), (952, 93635), (1037, 85960), (1190, 74908), (1220, 73066), (1228, 72590), (1535, 58072), (1708, 52190), (2074, 42980), (2135, 41752), (2149, 41480), (2380, 37454), (2440, 36533), (2456, 36295), (3070, 29036), (3416, 26095), (4148, 21490), (4270, 20876), (4298, 20740), (4760, 18727), (5185, 17192), (5219, 17080), (6140, 14518), (7259, 12280), (8296, 10745), (8540, 10438), (8596, 10370)]