1686628480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 256

約数和(自身を含む): 4626720000

約数和(自身を除く): 2940091520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 41, 64, 68, 76, 80, 82, 85, 95, 128, 136, 152, 160, 164, 170, 190, 199, 205, 272, 304, 320, 323, 328, 340, 380, 398, 410, 544, 608, 640, 646, 656, 680, 697, 760, 779, 796, 820, 995, 1088, 1216, 1292, 1312, 1360, 1394, 1520, 1558, 1592, 1615, 1640, 1990, 2176, 2432, 2584, 2624, 2720, 2788, 3040, 3116, 3184, 3230, 3280, 3383, 3485, 3781, 3895, 3980, 5168, 5248, 5440, 5576, 6080, 6232, 6368, 6460, 6560, 6766, 6970, 7562, 7790, 7960, 8159, 10336, 10880, 11152, 12160, 12464, 12736, 12920, 13120, 13243, 13532, 13940, 15124, 15580, 15920, 16318, 16915, 18905, 20672, 22304, 24928, 25472, 25840, 26240, 26486, 27064, 27880, 30248, 31160, 31840, 32636, 33830, 37810, 40795, 41344, 44608, 49856, 51680, 52972, 54128, 55760, 60496, 62320, 63680, 64277, 65272, 66215, 67660, 75620, 81590, 89216, 99712, 103360, 105944, 108256, 111520, 120992, 124640, 127360, 128554, 130544, 132430, 135320, 138703, 151240, 155021, 163180, 206720, 211888, 216512, 223040, 241984, 249280, 257108, 261088, 264860, 270640, 277406, 302480, 310042, 321385, 326360, 423776, 433024, 446080, 483968, 498560, 514216, 522176, 529720, 541280, 554812, 604960, 620084, 642770, 652720, 693515, 775105, 847552, 1028432, 1044352, 1059440, 1082560, 1109624, 1209920, 1240168, 1285540, 1305440, 1387030, 1550210, 1695104, 2056864, 2118880, 2165120, 2219248, 2419840, 2480336, 2571080, 2610880, 2635357, 2774060, 3100420, 4113728, 4237760, 4438496, 4960672, 5142160, 5221760, 5270714, 5548120, 6200840, 8227456, 8475520, 8876992, 9921344, 10284320, 10541428, 11096240, 12401680, 13176785, 17753984, 19842688, 20568640, 21082856, 22192480, 24803360, 26353570, 41137280, 42165712, 44384960, 49606720, 52707140, 84331424, 88769920, 99213440, 105414280, 168662848, 210828560, 337325696, 421657120, 843314240, 1686628480]

約数ペア:

[(1, 1686628480), (2, 843314240), (4, 421657120), (5, 337325696), (8, 210828560), (10, 168662848), (16, 105414280), (17, 99213440), (19, 88769920), (20, 84331424), (32, 52707140), (34, 49606720), (38, 44384960), (40, 42165712), (41, 41137280), (64, 26353570), (68, 24803360), (76, 22192480), (80, 21082856), (82, 20568640), (85, 19842688), (95, 17753984), (128, 13176785), (136, 12401680), (152, 11096240), (160, 10541428), (164, 10284320), (170, 9921344), (190, 8876992), (199, 8475520), (205, 8227456), (272, 6200840), (304, 5548120), (320, 5270714), (323, 5221760), (328, 5142160), (340, 4960672), (380, 4438496), (398, 4237760), (410, 4113728), (544, 3100420), (608, 2774060), (640, 2635357), (646, 2610880), (656, 2571080), (680, 2480336), (697, 2419840), (760, 2219248), (779, 2165120), (796, 2118880), (820, 2056864), (995, 1695104), (1088, 1550210), (1216, 1387030), (1292, 1305440), (1312, 1285540), (1360, 1240168), (1394, 1209920), (1520, 1109624), (1558, 1082560), (1592, 1059440), (1615, 1044352), (1640, 1028432), (1990, 847552), (2176, 775105), (2432, 693515), (2584, 652720), (2624, 642770), (2720, 620084), (2788, 604960), (3040, 554812), (3116, 541280), (3184, 529720), (3230, 522176), (3280, 514216), (3383, 498560), (3485, 483968), (3781, 446080), (3895, 433024), (3980, 423776), (5168, 326360), (5248, 321385), (5440, 310042), (5576, 302480), (6080, 277406), (6232, 270640), (6368, 264860), (6460, 261088), (6560, 257108), (6766, 249280), (6970, 241984), (7562, 223040), (7790, 216512), (7960, 211888), (8159, 206720), (10336, 163180), (10880, 155021), (11152, 151240), (12160, 138703), (12464, 135320), (12736, 132430), (12920, 130544), (13120, 128554), (13243, 127360), (13532, 124640), (13940, 120992), (15124, 111520), (15580, 108256), (15920, 105944), (16318, 103360), (16915, 99712), (18905, 89216), (20672, 81590), (22304, 75620), (24928, 67660), (25472, 66215), (25840, 65272), (26240, 64277), (26486, 63680), (27064, 62320), (27880, 60496), (30248, 55760), (31160, 54128), (31840, 52972), (32636, 51680), (33830, 49856), (37810, 44608), (40795, 41344)]