217977480

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{1373}}^1$

素因数の和:1410

約数の個数: 240

約数和(自身を含む): 852883020

約数和(自身を除く): 634905540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1373, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2746, 2835, 2940, 3240, 3528, 3780, 3969, 4119, 4410, 4536, 5292, 5492, 5670, 5880, 6615, 6865, 7560, 7938, 8238, 8820, 9611, 10584, 10984, 11340, 12357, 13230, 13730, 15876, 16476, 17640, 19222, 19845, 20595, 22680, 24714, 26460, 27460, 28833, 31752, 32952, 37071, 38444, 39690, 41190, 48055, 49428, 52920, 54920, 57666, 61785, 67277, 74142, 76888, 79380, 82380, 86499, 96110, 98856, 111213, 115332, 123570, 134554, 144165, 148284, 158760, 164760, 172998, 185355, 192220, 201831, 222426, 230664, 247140, 259497, 269108, 288330, 296568, 336385, 345996, 370710, 384440, 403662, 432495, 444852, 494280, 518994, 538216, 556065, 576660, 605493, 672770, 691992, 741420, 778491, 807324, 864990, 889704, 1009155, 1037988, 1112130, 1153320, 1210986, 1297485, 1345540, 1482840, 1556982, 1614648, 1729980, 1816479, 2018310, 2075976, 2224260, 2421972, 2594970, 2691080, 3027465, 3113964, 3459960, 3632958, 3892455, 4036620, 4448520, 4843944, 5189940, 5449437, 6054930, 6227928, 7265916, 7784910, 8073240, 9082395, 10379880, 10898874, 12109860, 14531832, 15569820, 18164790, 21797748, 24219720, 27247185, 31139640, 36329580, 43595496, 54494370, 72659160, 108988740, 217977480]

約数ペア:

[(1, 217977480), (2, 108988740), (3, 72659160), (4, 54494370), (5, 43595496), (6, 36329580), (7, 31139640), (8, 27247185), (9, 24219720), (10, 21797748), (12, 18164790), (14, 15569820), (15, 14531832), (18, 12109860), (20, 10898874), (21, 10379880), (24, 9082395), (27, 8073240), (28, 7784910), (30, 7265916), (35, 6227928), (36, 6054930), (40, 5449437), (42, 5189940), (45, 4843944), (49, 4448520), (54, 4036620), (56, 3892455), (60, 3632958), (63, 3459960), (70, 3113964), (72, 3027465), (81, 2691080), (84, 2594970), (90, 2421972), (98, 2224260), (105, 2075976), (108, 2018310), (120, 1816479), (126, 1729980), (135, 1614648), (140, 1556982), (147, 1482840), (162, 1345540), (168, 1297485), (180, 1210986), (189, 1153320), (196, 1112130), (210, 1037988), (216, 1009155), (245, 889704), (252, 864990), (270, 807324), (280, 778491), (294, 741420), (315, 691992), (324, 672770), (360, 605493), (378, 576660), (392, 556065), (405, 538216), (420, 518994), (441, 494280), (490, 444852), (504, 432495), (540, 403662), (567, 384440), (588, 370710), (630, 345996), (648, 336385), (735, 296568), (756, 288330), (810, 269108), (840, 259497), (882, 247140), (945, 230664), (980, 222426), (1080, 201831), (1134, 192220), (1176, 185355), (1260, 172998), (1323, 164760), (1373, 158760), (1470, 148284), (1512, 144165), (1620, 134554), (1764, 123570), (1890, 115332), (1960, 111213), (2205, 98856), (2268, 96110), (2520, 86499), (2646, 82380), (2746, 79380), (2835, 76888), (2940, 74142), (3240, 67277), (3528, 61785), (3780, 57666), (3969, 54920), (4119, 52920), (4410, 49428), (4536, 48055), (5292, 41190), (5492, 39690), (5670, 38444), (5880, 37071), (6615, 32952), (6865, 31752), (7560, 28833), (7938, 27460), (8238, 26460), (8820, 24714), (9611, 22680), (10584, 20595), (10984, 19845), (11340, 19222), (12357, 17640), (13230, 16476), (13730, 15876)]