25711920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 96681312

約数和(自身を除く): 70969392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 48, 52, 60, 65, 67, 72, 78, 80, 82, 90, 104, 117, 120, 123, 130, 134, 144, 156, 164, 180, 195, 201, 205, 208, 234, 240, 246, 260, 268, 312, 328, 335, 360, 369, 390, 402, 410, 468, 492, 520, 533, 536, 585, 603, 615, 624, 656, 670, 720, 738, 780, 804, 820, 871, 936, 984, 1005, 1040, 1066, 1072, 1170, 1206, 1230, 1340, 1476, 1560, 1599, 1608, 1640, 1742, 1845, 1872, 1968, 2010, 2132, 2340, 2412, 2460, 2613, 2665, 2680, 2747, 2952, 3015, 3120, 3198, 3216, 3280, 3484, 3690, 4020, 4264, 4355, 4680, 4797, 4824, 4920, 5226, 5330, 5360, 5494, 5904, 6030, 6396, 6968, 7380, 7839, 7995, 8040, 8241, 8528, 8710, 9360, 9594, 9648, 9840, 10452, 10660, 10988, 12060, 12792, 13065, 13735, 13936, 14760, 15678, 15990, 16080, 16482, 17420, 19188, 20904, 21320, 21976, 23985, 24120, 24723, 25584, 26130, 27470, 29520, 31356, 31980, 32964, 34840, 35711, 38376, 39195, 41205, 41808, 42640, 43952, 47970, 48240, 49446, 52260, 54940, 62712, 63960, 65928, 69680, 71422, 76752, 78390, 82410, 95940, 98892, 104520, 107133, 109880, 123615, 125424, 127920, 131856, 142844, 156780, 164820, 178555, 191880, 197784, 209040, 214266, 219760, 247230, 285688, 313560, 321399, 329640, 357110, 383760, 395568, 428532, 494460, 535665, 571376, 627120, 642798, 659280, 714220, 857064, 988920, 1071330, 1285596, 1428440, 1606995, 1714128, 1977840, 2142660, 2571192, 2856880, 3213990, 4285320, 5142384, 6427980, 8570640, 12855960, 25711920]

約数ペア:

[(1, 25711920), (2, 12855960), (3, 8570640), (4, 6427980), (5, 5142384), (6, 4285320), (8, 3213990), (9, 2856880), (10, 2571192), (12, 2142660), (13, 1977840), (15, 1714128), (16, 1606995), (18, 1428440), (20, 1285596), (24, 1071330), (26, 988920), (30, 857064), (36, 714220), (39, 659280), (40, 642798), (41, 627120), (45, 571376), (48, 535665), (52, 494460), (60, 428532), (65, 395568), (67, 383760), (72, 357110), (78, 329640), (80, 321399), (82, 313560), (90, 285688), (104, 247230), (117, 219760), (120, 214266), (123, 209040), (130, 197784), (134, 191880), (144, 178555), (156, 164820), (164, 156780), (180, 142844), (195, 131856), (201, 127920), (205, 125424), (208, 123615), (234, 109880), (240, 107133), (246, 104520), (260, 98892), (268, 95940), (312, 82410), (328, 78390), (335, 76752), (360, 71422), (369, 69680), (390, 65928), (402, 63960), (410, 62712), (468, 54940), (492, 52260), (520, 49446), (533, 48240), (536, 47970), (585, 43952), (603, 42640), (615, 41808), (624, 41205), (656, 39195), (670, 38376), (720, 35711), (738, 34840), (780, 32964), (804, 31980), (820, 31356), (871, 29520), (936, 27470), (984, 26130), (1005, 25584), (1040, 24723), (1066, 24120), (1072, 23985), (1170, 21976), (1206, 21320), (1230, 20904), (1340, 19188), (1476, 17420), (1560, 16482), (1599, 16080), (1608, 15990), (1640, 15678), (1742, 14760), (1845, 13936), (1872, 13735), (1968, 13065), (2010, 12792), (2132, 12060), (2340, 10988), (2412, 10660), (2460, 10452), (2613, 9840), (2665, 9648), (2680, 9594), (2747, 9360), (2952, 8710), (3015, 8528), (3120, 8241), (3198, 8040), (3216, 7995), (3280, 7839), (3484, 7380), (3690, 6968), (4020, 6396), (4264, 6030), (4355, 5904), (4680, 5494), (4797, 5360), (4824, 5330), (4920, 5226)]