198890640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:828

約数の個数: 240

約数和(自身を含む): 746910528

約数和(自身を除く): 548019888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 780, 787, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1560, 1574, 1620, 1755, 1872, 1944, 2106, 2160, 2340, 2361, 2430, 2808, 3120, 3148, 3159, 3240, 3510, 3888, 3935, 4212, 4680, 4722, 4860, 5265, 5616, 6296, 6318, 6480, 7020, 7083, 7870, 8424, 9360, 9444, 9720, 10231, 10530, 11805, 12592, 12636, 14040, 14166, 15740, 15795, 16848, 18888, 19440, 20462, 21060, 21249, 23610, 25272, 28080, 28332, 30693, 31480, 31590, 35415, 37776, 40924, 42120, 42498, 47220, 50544, 51155, 56664, 61386, 62960, 63180, 63747, 70830, 81848, 84240, 84996, 92079, 94440, 102310, 106245, 113328, 122772, 126360, 127494, 141660, 153465, 163696, 169992, 184158, 188880, 191241, 204620, 212490, 245544, 252720, 254988, 276237, 283320, 306930, 318735, 339984, 368316, 382482, 409240, 424980, 460395, 491088, 509976, 552474, 566640, 613860, 637470, 736632, 764964, 818480, 828711, 849960, 920790, 956205, 1019952, 1104948, 1227720, 1274940, 1381185, 1473264, 1529928, 1657422, 1699920, 1841580, 1912410, 2209896, 2455440, 2486133, 2549880, 2762370, 3059856, 3314844, 3683160, 3824820, 4143555, 4419792, 4972266, 5099760, 5524740, 6629688, 7366320, 7649640, 8287110, 9944532, 11049480, 12430665, 13259376, 15299280, 16574220, 19889064, 22098960, 24861330, 33148440, 39778128, 49722660, 66296880, 99445320, 198890640]

約数ペア:

[(1, 198890640), (2, 99445320), (3, 66296880), (4, 49722660), (5, 39778128), (6, 33148440), (8, 24861330), (9, 22098960), (10, 19889064), (12, 16574220), (13, 15299280), (15, 13259376), (16, 12430665), (18, 11049480), (20, 9944532), (24, 8287110), (26, 7649640), (27, 7366320), (30, 6629688), (36, 5524740), (39, 5099760), (40, 4972266), (45, 4419792), (48, 4143555), (52, 3824820), (54, 3683160), (60, 3314844), (65, 3059856), (72, 2762370), (78, 2549880), (80, 2486133), (81, 2455440), (90, 2209896), (104, 1912410), (108, 1841580), (117, 1699920), (120, 1657422), (130, 1529928), (135, 1473264), (144, 1381185), (156, 1274940), (162, 1227720), (180, 1104948), (195, 1019952), (208, 956205), (216, 920790), (234, 849960), (240, 828711), (243, 818480), (260, 764964), (270, 736632), (312, 637470), (324, 613860), (351, 566640), (360, 552474), (390, 509976), (405, 491088), (432, 460395), (468, 424980), (486, 409240), (520, 382482), (540, 368316), (585, 339984), (624, 318735), (648, 306930), (702, 283320), (720, 276237), (780, 254988), (787, 252720), (810, 245544), (936, 212490), (972, 204620), (1040, 191241), (1053, 188880), (1080, 184158), (1170, 169992), (1215, 163696), (1296, 153465), (1404, 141660), (1560, 127494), (1574, 126360), (1620, 122772), (1755, 113328), (1872, 106245), (1944, 102310), (2106, 94440), (2160, 92079), (2340, 84996), (2361, 84240), (2430, 81848), (2808, 70830), (3120, 63747), (3148, 63180), (3159, 62960), (3240, 61386), (3510, 56664), (3888, 51155), (3935, 50544), (4212, 47220), (4680, 42498), (4722, 42120), (4860, 40924), (5265, 37776), (5616, 35415), (6296, 31590), (6318, 31480), (6480, 30693), (7020, 28332), (7083, 28080), (7870, 25272), (8424, 23610), (9360, 21249), (9444, 21060), (9720, 20462), (10231, 19440), (10530, 18888), (11805, 16848), (12592, 15795), (12636, 15740), (14040, 14166)]