129217920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 256

約数和(自身を含む): 460615680

約数和(自身を除く): 331397760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 167, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 334, 372, 384, 390, 403, 416, 465, 480, 496, 501, 520, 620, 624, 640, 668, 744, 780, 806, 832, 835, 930, 960, 992, 1002, 1040, 1209, 1240, 1248, 1336, 1488, 1560, 1612, 1664, 1670, 1860, 1920, 1984, 2004, 2015, 2080, 2171, 2418, 2480, 2496, 2505, 2672, 2976, 3120, 3224, 3340, 3720, 3968, 4008, 4030, 4160, 4342, 4836, 4960, 4992, 5010, 5177, 5344, 5952, 6045, 6240, 6448, 6513, 6680, 7440, 8016, 8060, 8320, 8684, 9672, 9920, 10020, 10354, 10688, 10855, 11904, 12090, 12480, 12896, 13026, 13360, 14880, 15531, 16032, 16120, 17368, 19344, 19840, 20040, 20708, 21376, 21710, 24180, 24960, 25792, 25885, 26052, 26720, 29760, 31062, 32064, 32240, 32565, 34736, 38688, 40080, 41416, 43420, 48360, 51584, 51770, 52104, 53440, 59520, 62124, 64128, 64480, 65130, 67301, 69472, 77376, 77655, 80160, 82832, 86840, 96720, 103540, 104208, 106880, 124248, 128960, 130260, 134602, 138944, 154752, 155310, 160320, 165664, 173680, 193440, 201903, 207080, 208416, 248496, 257920, 260520, 269204, 277888, 310620, 320640, 331328, 336505, 347360, 386880, 403806, 414160, 416832, 496992, 521040, 538408, 621240, 662656, 673010, 694720, 773760, 807612, 828320, 833664, 993984, 1009515, 1042080, 1076816, 1242480, 1346020, 1389440, 1615224, 1656640, 1987968, 2019030, 2084160, 2153632, 2484960, 2692040, 3230448, 3313280, 4038060, 4168320, 4307264, 4969920, 5384080, 6460896, 8076120, 8614528, 9939840, 10768160, 12921792, 16152240, 21536320, 25843584, 32304480, 43072640, 64608960, 129217920]

約数ペア:

[(1, 129217920), (2, 64608960), (3, 43072640), (4, 32304480), (5, 25843584), (6, 21536320), (8, 16152240), (10, 12921792), (12, 10768160), (13, 9939840), (15, 8614528), (16, 8076120), (20, 6460896), (24, 5384080), (26, 4969920), (30, 4307264), (31, 4168320), (32, 4038060), (39, 3313280), (40, 3230448), (48, 2692040), (52, 2484960), (60, 2153632), (62, 2084160), (64, 2019030), (65, 1987968), (78, 1656640), (80, 1615224), (93, 1389440), (96, 1346020), (104, 1242480), (120, 1076816), (124, 1042080), (128, 1009515), (130, 993984), (155, 833664), (156, 828320), (160, 807612), (167, 773760), (186, 694720), (192, 673010), (195, 662656), (208, 621240), (240, 538408), (248, 521040), (260, 496992), (310, 416832), (312, 414160), (320, 403806), (334, 386880), (372, 347360), (384, 336505), (390, 331328), (403, 320640), (416, 310620), (465, 277888), (480, 269204), (496, 260520), (501, 257920), (520, 248496), (620, 208416), (624, 207080), (640, 201903), (668, 193440), (744, 173680), (780, 165664), (806, 160320), (832, 155310), (835, 154752), (930, 138944), (960, 134602), (992, 130260), (1002, 128960), (1040, 124248), (1209, 106880), (1240, 104208), (1248, 103540), (1336, 96720), (1488, 86840), (1560, 82832), (1612, 80160), (1664, 77655), (1670, 77376), (1860, 69472), (1920, 67301), (1984, 65130), (2004, 64480), (2015, 64128), (2080, 62124), (2171, 59520), (2418, 53440), (2480, 52104), (2496, 51770), (2505, 51584), (2672, 48360), (2976, 43420), (3120, 41416), (3224, 40080), (3340, 38688), (3720, 34736), (3968, 32565), (4008, 32240), (4030, 32064), (4160, 31062), (4342, 29760), (4836, 26720), (4960, 26052), (4992, 25885), (5010, 25792), (5177, 24960), (5344, 24180), (5952, 21710), (6045, 21376), (6240, 20708), (6448, 20040), (6513, 19840), (6680, 19344), (7440, 17368), (8016, 16120), (8060, 16032), (8320, 15531), (8684, 14880), (9672, 13360), (9920, 13026), (10020, 12896), (10354, 12480), (10688, 12090), (10855, 11904)]