345089120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^3\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 868190400

約数和(自身を除く): 523101280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 439, 544, 578, 680, 878, 1156, 1360, 1445, 1756, 2195, 2312, 2720, 2890, 3512, 4390, 4624, 4913, 5780, 7024, 7463, 8780, 9248, 9826, 11560, 14048, 14926, 17560, 19652, 23120, 24565, 29852, 35120, 37315, 39304, 46240, 49130, 59704, 70240, 74630, 78608, 98260, 119408, 126871, 149260, 157216, 196520, 238816, 253742, 298520, 393040, 507484, 597040, 634355, 786080, 1014968, 1194080, 1268710, 2029936, 2156807, 2537420, 4059872, 4313614, 5074840, 8627228, 10149680, 10784035, 17254456, 20299360, 21568070, 34508912, 43136140, 69017824, 86272280, 172544560, 345089120]

約数ペア:

[(1, 345089120), (2, 172544560), (4, 86272280), (5, 69017824), (8, 43136140), (10, 34508912), (16, 21568070), (17, 20299360), (20, 17254456), (32, 10784035), (34, 10149680), (40, 8627228), (68, 5074840), (80, 4313614), (85, 4059872), (136, 2537420), (160, 2156807), (170, 2029936), (272, 1268710), (289, 1194080), (340, 1014968), (439, 786080), (544, 634355), (578, 597040), (680, 507484), (878, 393040), (1156, 298520), (1360, 253742), (1445, 238816), (1756, 196520), (2195, 157216), (2312, 149260), (2720, 126871), (2890, 119408), (3512, 98260), (4390, 78608), (4624, 74630), (4913, 70240), (5780, 59704), (7024, 49130), (7463, 46240), (8780, 39304), (9248, 37315), (9826, 35120), (11560, 29852), (14048, 24565), (14926, 23120), (17560, 19652)]