1651720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 4510080

約数和(自身を除く): 2858360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 347, 476, 595, 680, 694, 952, 1190, 1388, 1735, 2380, 2429, 2776, 3470, 4760, 4858, 5899, 6940, 9716, 11798, 12145, 13880, 19432, 23596, 24290, 29495, 41293, 47192, 48580, 58990, 82586, 97160, 117980, 165172, 206465, 235960, 330344, 412930, 825860, 1651720]

約数ペア:

[(1, 1651720), (2, 825860), (4, 412930), (5, 330344), (7, 235960), (8, 206465), (10, 165172), (14, 117980), (17, 97160), (20, 82586), (28, 58990), (34, 48580), (35, 47192), (40, 41293), (56, 29495), (68, 24290), (70, 23596), (85, 19432), (119, 13880), (136, 12145), (140, 11798), (170, 9716), (238, 6940), (280, 5899), (340, 4858), (347, 4760), (476, 3470), (595, 2776), (680, 2429), (694, 2380), (952, 1735), (1190, 1388)]