15663042860

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^2\times {\mathrm{191}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 33499581696

約数和(自身を除く): 17836538836

約数列:

[1, 2, 4, 5, 10, 20, 137, 173, 191, 274, 346, 382, 548, 685, 692, 764, 865, 955, 1370, 1730, 1910, 2740, 3460, 3820, 23701, 26167, 29929, 33043, 47402, 52334, 59858, 66086, 94804, 104668, 118505, 119716, 130835, 132172, 149645, 165215, 237010, 261670, 299290, 330430, 474020, 523340, 598580, 660860, 4100273, 4526891, 5716439, 8200546, 9053782, 11432878, 16401092, 18107564, 20501365, 22634455, 22865756, 28582195, 41002730, 45268910, 57164390, 82005460, 90537820, 114328780, 783152143, 1566304286, 3132608572, 3915760715, 7831521430, 15663042860]

約数ペア:

[(1, 15663042860), (2, 7831521430), (4, 3915760715), (5, 3132608572), (10, 1566304286), (20, 783152143), (137, 114328780), (173, 90537820), (191, 82005460), (274, 57164390), (346, 45268910), (382, 41002730), (548, 28582195), (685, 22865756), (692, 22634455), (764, 20501365), (865, 18107564), (955, 16401092), (1370, 11432878), (1730, 9053782), (1910, 8200546), (2740, 5716439), (3460, 4526891), (3820, 4100273), (23701, 660860), (26167, 598580), (29929, 523340), (33043, 474020), (47402, 330430), (52334, 299290), (59858, 261670), (66086, 237010), (94804, 165215), (104668, 149645), (118505, 132172), (119716, 130835)]