421657120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 1143072000

約数和(自身を除く): 721414880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 41, 68, 76, 80, 82, 85, 95, 136, 152, 160, 164, 170, 190, 199, 205, 272, 304, 323, 328, 340, 380, 398, 410, 544, 608, 646, 656, 680, 697, 760, 779, 796, 820, 995, 1292, 1312, 1360, 1394, 1520, 1558, 1592, 1615, 1640, 1990, 2584, 2720, 2788, 3040, 3116, 3184, 3230, 3280, 3383, 3485, 3781, 3895, 3980, 5168, 5576, 6232, 6368, 6460, 6560, 6766, 6970, 7562, 7790, 7960, 8159, 10336, 11152, 12464, 12920, 13243, 13532, 13940, 15124, 15580, 15920, 16318, 16915, 18905, 22304, 24928, 25840, 26486, 27064, 27880, 30248, 31160, 31840, 32636, 33830, 37810, 40795, 51680, 52972, 54128, 55760, 60496, 62320, 64277, 65272, 66215, 67660, 75620, 81590, 105944, 108256, 111520, 120992, 124640, 128554, 130544, 132430, 135320, 138703, 151240, 155021, 163180, 211888, 257108, 261088, 264860, 270640, 277406, 302480, 310042, 321385, 326360, 423776, 514216, 529720, 541280, 554812, 604960, 620084, 642770, 652720, 693515, 775105, 1028432, 1059440, 1109624, 1240168, 1285540, 1305440, 1387030, 1550210, 2056864, 2118880, 2219248, 2480336, 2571080, 2635357, 2774060, 3100420, 4438496, 4960672, 5142160, 5270714, 5548120, 6200840, 10284320, 10541428, 11096240, 12401680, 13176785, 21082856, 22192480, 24803360, 26353570, 42165712, 52707140, 84331424, 105414280, 210828560, 421657120]

約数ペア:

[(1, 421657120), (2, 210828560), (4, 105414280), (5, 84331424), (8, 52707140), (10, 42165712), (16, 26353570), (17, 24803360), (19, 22192480), (20, 21082856), (32, 13176785), (34, 12401680), (38, 11096240), (40, 10541428), (41, 10284320), (68, 6200840), (76, 5548120), (80, 5270714), (82, 5142160), (85, 4960672), (95, 4438496), (136, 3100420), (152, 2774060), (160, 2635357), (164, 2571080), (170, 2480336), (190, 2219248), (199, 2118880), (205, 2056864), (272, 1550210), (304, 1387030), (323, 1305440), (328, 1285540), (340, 1240168), (380, 1109624), (398, 1059440), (410, 1028432), (544, 775105), (608, 693515), (646, 652720), (656, 642770), (680, 620084), (697, 604960), (760, 554812), (779, 541280), (796, 529720), (820, 514216), (995, 423776), (1292, 326360), (1312, 321385), (1360, 310042), (1394, 302480), (1520, 277406), (1558, 270640), (1592, 264860), (1615, 261088), (1640, 257108), (1990, 211888), (2584, 163180), (2720, 155021), (2788, 151240), (3040, 138703), (3116, 135320), (3184, 132430), (3230, 130544), (3280, 128554), (3383, 124640), (3485, 120992), (3781, 111520), (3895, 108256), (3980, 105944), (5168, 81590), (5576, 75620), (6232, 67660), (6368, 66215), (6460, 65272), (6560, 64277), (6766, 62320), (6970, 60496), (7562, 55760), (7790, 54128), (7960, 52972), (8159, 51680), (10336, 40795), (11152, 37810), (12464, 33830), (12920, 32636), (13243, 31840), (13532, 31160), (13940, 30248), (15124, 27880), (15580, 27064), (15920, 26486), (16318, 25840), (16915, 24928), (18905, 22304)]