1687348520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{294991}}^1$

素因数の和:295026

約数の個数: 64

約数和(自身を含む): 4460279040

約数和(自身を除く): 2772930520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 294991, 589982, 1179964, 1474955, 2359928, 2949910, 3244901, 3834883, 5899820, 6489802, 7669766, 11799640, 12979604, 15339532, 16224505, 19174415, 25959208, 30679064, 32449010, 38348830, 42183713, 64898020, 76697660, 84367426, 129796040, 153395320, 168734852, 210918565, 337469704, 421837130, 843674260, 1687348520]

約数ペア:

[(1, 1687348520), (2, 843674260), (4, 421837130), (5, 337469704), (8, 210918565), (10, 168734852), (11, 153395320), (13, 129796040), (20, 84367426), (22, 76697660), (26, 64898020), (40, 42183713), (44, 38348830), (52, 32449010), (55, 30679064), (65, 25959208), (88, 19174415), (104, 16224505), (110, 15339532), (130, 12979604), (143, 11799640), (220, 7669766), (260, 6489802), (286, 5899820), (440, 3834883), (520, 3244901), (572, 2949910), (715, 2359928), (1144, 1474955), (1430, 1179964), (2860, 589982), (5720, 294991)]