86788520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 243613440

約数和(自身を除く): 156824920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 113, 130, 140, 182, 211, 226, 260, 280, 364, 422, 452, 455, 520, 565, 728, 791, 844, 904, 910, 1055, 1130, 1469, 1477, 1582, 1688, 1820, 2110, 2260, 2743, 2938, 2954, 3164, 3640, 3955, 4220, 4520, 5486, 5876, 5908, 6328, 7345, 7385, 7910, 8440, 10283, 10972, 11752, 11816, 13715, 14690, 14770, 15820, 19201, 20566, 21944, 23843, 27430, 29380, 29540, 31640, 38402, 41132, 47686, 51415, 54860, 58760, 59080, 76804, 82264, 95372, 96005, 102830, 109720, 119215, 153608, 166901, 190744, 192010, 205660, 238430, 309959, 333802, 384020, 411320, 476860, 619918, 667604, 768040, 834505, 953720, 1239836, 1335208, 1549795, 1669010, 2169713, 2479672, 3099590, 3338020, 4339426, 6199180, 6676040, 8678852, 10848565, 12398360, 17357704, 21697130, 43394260, 86788520]

約数ペア:

[(1, 86788520), (2, 43394260), (4, 21697130), (5, 17357704), (7, 12398360), (8, 10848565), (10, 8678852), (13, 6676040), (14, 6199180), (20, 4339426), (26, 3338020), (28, 3099590), (35, 2479672), (40, 2169713), (52, 1669010), (56, 1549795), (65, 1335208), (70, 1239836), (91, 953720), (104, 834505), (113, 768040), (130, 667604), (140, 619918), (182, 476860), (211, 411320), (226, 384020), (260, 333802), (280, 309959), (364, 238430), (422, 205660), (452, 192010), (455, 190744), (520, 166901), (565, 153608), (728, 119215), (791, 109720), (844, 102830), (904, 96005), (910, 95372), (1055, 82264), (1130, 76804), (1469, 59080), (1477, 58760), (1582, 54860), (1688, 51415), (1820, 47686), (2110, 41132), (2260, 38402), (2743, 31640), (2938, 29540), (2954, 29380), (3164, 27430), (3640, 23843), (3955, 21944), (4220, 20566), (4520, 19201), (5486, 15820), (5876, 14770), (5908, 14690), (6328, 13715), (7345, 11816), (7385, 11752), (7910, 10972), (8440, 10283)]