129885440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 339075072

約数和(自身を除く): 209189632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 127, 128, 136, 160, 170, 188, 235, 254, 256, 272, 320, 340, 376, 470, 508, 544, 635, 640, 680, 752, 799, 940, 1016, 1088, 1270, 1280, 1360, 1504, 1598, 1880, 2032, 2159, 2176, 2540, 2720, 3008, 3196, 3760, 3995, 4064, 4318, 4352, 5080, 5440, 5969, 6016, 6392, 7520, 7990, 8128, 8636, 10160, 10795, 10880, 11938, 12032, 12784, 15040, 15980, 16256, 17272, 20320, 21590, 21760, 23876, 25568, 29845, 30080, 31960, 32512, 34544, 40640, 43180, 47752, 51136, 59690, 60160, 63920, 69088, 81280, 86360, 95504, 101473, 102272, 119380, 127840, 138176, 162560, 172720, 191008, 202946, 204544, 238760, 255680, 276352, 345440, 382016, 405892, 477520, 507365, 511360, 552704, 690880, 764032, 811784, 955040, 1014730, 1022720, 1381760, 1528064, 1623568, 1910080, 2029460, 2763520, 3247136, 3820160, 4058920, 6494272, 7640320, 8117840, 12988544, 16235680, 25977088, 32471360, 64942720, 129885440]

約数ペア:

[(1, 129885440), (2, 64942720), (4, 32471360), (5, 25977088), (8, 16235680), (10, 12988544), (16, 8117840), (17, 7640320), (20, 6494272), (32, 4058920), (34, 3820160), (40, 3247136), (47, 2763520), (64, 2029460), (68, 1910080), (80, 1623568), (85, 1528064), (94, 1381760), (127, 1022720), (128, 1014730), (136, 955040), (160, 811784), (170, 764032), (188, 690880), (235, 552704), (254, 511360), (256, 507365), (272, 477520), (320, 405892), (340, 382016), (376, 345440), (470, 276352), (508, 255680), (544, 238760), (635, 204544), (640, 202946), (680, 191008), (752, 172720), (799, 162560), (940, 138176), (1016, 127840), (1088, 119380), (1270, 102272), (1280, 101473), (1360, 95504), (1504, 86360), (1598, 81280), (1880, 69088), (2032, 63920), (2159, 60160), (2176, 59690), (2540, 51136), (2720, 47752), (3008, 43180), (3196, 40640), (3760, 34544), (3995, 32512), (4064, 31960), (4318, 30080), (4352, 29845), (5080, 25568), (5440, 23876), (5969, 21760), (6016, 21590), (6392, 20320), (7520, 17272), (7990, 16256), (8128, 15980), (8636, 15040), (10160, 12784), (10795, 12032), (10880, 11938)]