31434360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 128

約数和(自身を含む): 105235200

約数和(自身を除く): 73800840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 811, 969, 1020, 1140, 1292, 1615, 1622, 1938, 2040, 2280, 2433, 2584, 3230, 3244, 3876, 4055, 4845, 4866, 6460, 6488, 7752, 8110, 9690, 9732, 12165, 12920, 13787, 15409, 16220, 19380, 19464, 24330, 27574, 30818, 32440, 38760, 41361, 46227, 48660, 55148, 61636, 68935, 77045, 82722, 92454, 97320, 110296, 123272, 137870, 154090, 165444, 184908, 206805, 231135, 261953, 275740, 308180, 330888, 369816, 413610, 462270, 523906, 551480, 616360, 785859, 827220, 924540, 1047812, 1309765, 1571718, 1654440, 1849080, 2095624, 2619530, 3143436, 3929295, 5239060, 6286872, 7858590, 10478120, 15717180, 31434360]

約数ペア:

[(1, 31434360), (2, 15717180), (3, 10478120), (4, 7858590), (5, 6286872), (6, 5239060), (8, 3929295), (10, 3143436), (12, 2619530), (15, 2095624), (17, 1849080), (19, 1654440), (20, 1571718), (24, 1309765), (30, 1047812), (34, 924540), (38, 827220), (40, 785859), (51, 616360), (57, 551480), (60, 523906), (68, 462270), (76, 413610), (85, 369816), (95, 330888), (102, 308180), (114, 275740), (120, 261953), (136, 231135), (152, 206805), (170, 184908), (190, 165444), (204, 154090), (228, 137870), (255, 123272), (285, 110296), (323, 97320), (340, 92454), (380, 82722), (408, 77045), (456, 68935), (510, 61636), (570, 55148), (646, 48660), (680, 46227), (760, 41361), (811, 38760), (969, 32440), (1020, 30818), (1140, 27574), (1292, 24330), (1615, 19464), (1622, 19380), (1938, 16220), (2040, 15409), (2280, 13787), (2433, 12920), (2584, 12165), (3230, 9732), (3244, 9690), (3876, 8110), (4055, 7752), (4845, 6488), (4866, 6460)]