77675780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 209059200

約数和(自身を除く): 131383420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 67, 70, 91, 98, 130, 134, 140, 169, 182, 196, 245, 260, 268, 335, 338, 343, 364, 455, 469, 490, 637, 670, 676, 686, 845, 871, 910, 938, 980, 1183, 1274, 1340, 1372, 1690, 1715, 1742, 1820, 1876, 2345, 2366, 2548, 3185, 3283, 3380, 3430, 3484, 4355, 4459, 4690, 4732, 5915, 6097, 6370, 6566, 6860, 8281, 8710, 8918, 9380, 11323, 11830, 12194, 12740, 13132, 16415, 16562, 17420, 17836, 22295, 22646, 22981, 23660, 24388, 30485, 32830, 33124, 41405, 42679, 44590, 45292, 45962, 56615, 57967, 60970, 65660, 79261, 82810, 85358, 89180, 91924, 113230, 114905, 115934, 121940, 158522, 165620, 170716, 213395, 226460, 229810, 231868, 289835, 298753, 317044, 396305, 426790, 459620, 554827, 579670, 597506, 792610, 853580, 1109654, 1159340, 1195012, 1493765, 1585220, 2219308, 2774135, 2987530, 3883789, 5548270, 5975060, 7767578, 11096540, 15535156, 19418945, 38837890, 77675780]

約数ペア:

[(1, 77675780), (2, 38837890), (4, 19418945), (5, 15535156), (7, 11096540), (10, 7767578), (13, 5975060), (14, 5548270), (20, 3883789), (26, 2987530), (28, 2774135), (35, 2219308), (49, 1585220), (52, 1493765), (65, 1195012), (67, 1159340), (70, 1109654), (91, 853580), (98, 792610), (130, 597506), (134, 579670), (140, 554827), (169, 459620), (182, 426790), (196, 396305), (245, 317044), (260, 298753), (268, 289835), (335, 231868), (338, 229810), (343, 226460), (364, 213395), (455, 170716), (469, 165620), (490, 158522), (637, 121940), (670, 115934), (676, 114905), (686, 113230), (845, 91924), (871, 89180), (910, 85358), (938, 82810), (980, 79261), (1183, 65660), (1274, 60970), (1340, 57967), (1372, 56615), (1690, 45962), (1715, 45292), (1742, 44590), (1820, 42679), (1876, 41405), (2345, 33124), (2366, 32830), (2548, 30485), (3185, 24388), (3283, 23660), (3380, 22981), (3430, 22646), (3484, 22295), (4355, 17836), (4459, 17420), (4690, 16562), (4732, 16415), (5915, 13132), (6097, 12740), (6370, 12194), (6566, 11830), (6860, 11323), (8281, 9380), (8710, 8918)]