218599920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1$

素因数の和:3980

約数の個数: 240

約数和(自身を含む): 915512832

約数和(自身を除く): 696912912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3943, 3960, 4620, 5040, 5544, 6160, 6930, 7886, 7920, 9240, 11088, 11829, 13860, 15772, 18480, 19715, 23658, 27601, 27720, 31544, 35487, 39430, 43373, 47316, 55202, 55440, 59145, 63088, 70974, 78860, 82803, 86746, 94632, 110404, 118290, 130119, 138005, 141948, 157720, 165606, 173492, 177435, 189264, 216865, 220808, 236580, 248409, 260238, 276010, 283896, 303611, 315440, 331212, 346984, 354870, 390357, 414015, 433730, 441616, 473160, 496818, 520476, 552020, 567792, 607222, 650595, 662424, 693968, 709740, 780714, 828030, 867460, 910833, 946320, 993636, 1040952, 1104040, 1214444, 1242045, 1301190, 1324848, 1419480, 1518055, 1561428, 1656060, 1734920, 1821666, 1951785, 1987272, 2081904, 2208080, 2428888, 2484090, 2602380, 2732499, 2838960, 3036110, 3122856, 3312120, 3469840, 3643332, 3903570, 3974544, 4554165, 4857776, 4968180, 5204760, 5464998, 6072220, 6245712, 6624240, 7286664, 7807140, 9108330, 9936360, 10409520, 10929996, 12144440, 13662495, 14573328, 15614280, 18216660, 19872720, 21859992, 24288880, 27324990, 31228560, 36433320, 43719984, 54649980, 72866640, 109299960, 218599920]

約数ペア:

[(1, 218599920), (2, 109299960), (3, 72866640), (4, 54649980), (5, 43719984), (6, 36433320), (7, 31228560), (8, 27324990), (9, 24288880), (10, 21859992), (11, 19872720), (12, 18216660), (14, 15614280), (15, 14573328), (16, 13662495), (18, 12144440), (20, 10929996), (21, 10409520), (22, 9936360), (24, 9108330), (28, 7807140), (30, 7286664), (33, 6624240), (35, 6245712), (36, 6072220), (40, 5464998), (42, 5204760), (44, 4968180), (45, 4857776), (48, 4554165), (55, 3974544), (56, 3903570), (60, 3643332), (63, 3469840), (66, 3312120), (70, 3122856), (72, 3036110), (77, 2838960), (80, 2732499), (84, 2602380), (88, 2484090), (90, 2428888), (99, 2208080), (105, 2081904), (110, 1987272), (112, 1951785), (120, 1821666), (126, 1734920), (132, 1656060), (140, 1561428), (144, 1518055), (154, 1419480), (165, 1324848), (168, 1301190), (176, 1242045), (180, 1214444), (198, 1104040), (210, 1040952), (220, 993636), (231, 946320), (240, 910833), (252, 867460), (264, 828030), (280, 780714), (308, 709740), (315, 693968), (330, 662424), (336, 650595), (360, 607222), (385, 567792), (396, 552020), (420, 520476), (440, 496818), (462, 473160), (495, 441616), (504, 433730), (528, 414015), (560, 390357), (616, 354870), (630, 346984), (660, 331212), (693, 315440), (720, 303611), (770, 283896), (792, 276010), (840, 260238), (880, 248409), (924, 236580), (990, 220808), (1008, 216865), (1155, 189264), (1232, 177435), (1260, 173492), (1320, 165606), (1386, 157720), (1540, 141948), (1584, 138005), (1680, 130119), (1848, 118290), (1980, 110404), (2310, 94632), (2520, 86746), (2640, 82803), (2772, 78860), (3080, 70974), (3465, 63088), (3696, 59145), (3943, 55440), (3960, 55202), (4620, 47316), (5040, 43373), (5544, 39430), (6160, 35487), (6930, 31544), (7886, 27720), (7920, 27601), (9240, 23658), (11088, 19715), (11829, 18480), (13860, 15772)]