199664320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 112

約数和(自身を含む): 509137920

約数和(自身を除く): 309473600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 136, 160, 170, 254, 272, 289, 320, 340, 508, 544, 578, 635, 680, 1016, 1088, 1156, 1270, 1360, 1445, 2032, 2159, 2312, 2540, 2720, 2890, 4064, 4318, 4624, 4913, 5080, 5440, 5780, 8128, 8636, 9248, 9826, 10160, 10795, 11560, 17272, 18496, 19652, 20320, 21590, 23120, 24565, 34544, 36703, 39304, 40640, 43180, 46240, 49130, 69088, 73406, 78608, 86360, 92480, 98260, 138176, 146812, 157216, 172720, 183515, 196520, 293624, 314432, 345440, 367030, 393040, 587248, 623951, 690880, 734060, 786080, 1174496, 1247902, 1468120, 1572160, 2348992, 2495804, 2936240, 3119755, 4991608, 5872480, 6239510, 9983216, 11744960, 12479020, 19966432, 24958040, 39932864, 49916080, 99832160, 199664320]

約数ペア:

[(1, 199664320), (2, 99832160), (4, 49916080), (5, 39932864), (8, 24958040), (10, 19966432), (16, 12479020), (17, 11744960), (20, 9983216), (32, 6239510), (34, 5872480), (40, 4991608), (64, 3119755), (68, 2936240), (80, 2495804), (85, 2348992), (127, 1572160), (136, 1468120), (160, 1247902), (170, 1174496), (254, 786080), (272, 734060), (289, 690880), (320, 623951), (340, 587248), (508, 393040), (544, 367030), (578, 345440), (635, 314432), (680, 293624), (1016, 196520), (1088, 183515), (1156, 172720), (1270, 157216), (1360, 146812), (1445, 138176), (2032, 98260), (2159, 92480), (2312, 86360), (2540, 78608), (2720, 73406), (2890, 69088), (4064, 49130), (4318, 46240), (4624, 43180), (4913, 40640), (5080, 39304), (5440, 36703), (5780, 34544), (8128, 24565), (8636, 23120), (9248, 21590), (9826, 20320), (10160, 19652), (10795, 18496), (11560, 17272)]