20389968120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{13649}}^1$

素因数の和:13933

約数の個数: 128

約数和(自身を含む): 62506080000

約数和(自身を除く): 42116111880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 211, 236, 295, 354, 422, 472, 590, 633, 708, 844, 885, 1055, 1180, 1266, 1416, 1688, 1770, 2110, 2360, 2532, 3165, 3540, 4220, 5064, 6330, 7080, 8440, 12449, 12660, 13649, 24898, 25320, 27298, 37347, 40947, 49796, 54596, 62245, 68245, 74694, 81894, 99592, 109192, 124490, 136490, 149388, 163788, 186735, 204735, 248980, 272980, 298776, 327576, 373470, 409470, 497960, 545960, 746940, 805291, 818940, 1493880, 1610582, 1637880, 2415873, 2879939, 3221164, 4026455, 4831746, 5759878, 6442328, 8052910, 8639817, 9663492, 11519756, 12079365, 14399695, 16105820, 17279634, 19326984, 23039512, 24158730, 28799390, 32211640, 34559268, 43199085, 48317460, 57598780, 69118536, 86398170, 96634920, 115197560, 169916401, 172796340, 339832802, 345592680, 509749203, 679665604, 849582005, 1019498406, 1359331208, 1699164010, 2038996812, 2548746015, 3398328020, 4077993624, 5097492030, 6796656040, 10194984060, 20389968120]

約数ペア:

[(1, 20389968120), (2, 10194984060), (3, 6796656040), (4, 5097492030), (5, 4077993624), (6, 3398328020), (8, 2548746015), (10, 2038996812), (12, 1699164010), (15, 1359331208), (20, 1019498406), (24, 849582005), (30, 679665604), (40, 509749203), (59, 345592680), (60, 339832802), (118, 172796340), (120, 169916401), (177, 115197560), (211, 96634920), (236, 86398170), (295, 69118536), (354, 57598780), (422, 48317460), (472, 43199085), (590, 34559268), (633, 32211640), (708, 28799390), (844, 24158730), (885, 23039512), (1055, 19326984), (1180, 17279634), (1266, 16105820), (1416, 14399695), (1688, 12079365), (1770, 11519756), (2110, 9663492), (2360, 8639817), (2532, 8052910), (3165, 6442328), (3540, 5759878), (4220, 4831746), (5064, 4026455), (6330, 3221164), (7080, 2879939), (8440, 2415873), (12449, 1637880), (12660, 1610582), (13649, 1493880), (24898, 818940), (25320, 805291), (27298, 746940), (37347, 545960), (40947, 497960), (49796, 409470), (54596, 373470), (62245, 327576), (68245, 298776), (74694, 272980), (81894, 248980), (99592, 204735), (109192, 186735), (124490, 163788), (136490, 149388)]