77728040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 201519360

約数和(自身を除く): 123791320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 67, 92, 97, 104, 115, 130, 134, 184, 194, 230, 260, 268, 299, 335, 388, 460, 485, 520, 536, 598, 670, 776, 871, 920, 970, 1196, 1261, 1340, 1495, 1541, 1742, 1940, 2231, 2392, 2522, 2680, 2990, 3082, 3484, 3880, 4355, 4462, 5044, 5980, 6164, 6305, 6499, 6968, 7705, 8710, 8924, 10088, 11155, 11960, 12328, 12610, 12998, 15410, 17420, 17848, 20033, 22310, 25220, 25996, 29003, 30820, 32495, 34840, 40066, 44620, 50440, 51992, 58006, 61640, 64990, 80132, 84487, 89240, 100165, 116012, 129980, 145015, 149477, 160264, 168974, 200330, 232024, 259960, 290030, 298954, 337948, 400660, 422435, 580060, 597908, 675896, 747385, 801320, 844870, 1160120, 1195816, 1494770, 1689740, 1943201, 2989540, 3379480, 3886402, 5979080, 7772804, 9716005, 15545608, 19432010, 38864020, 77728040]

約数ペア:

[(1, 77728040), (2, 38864020), (4, 19432010), (5, 15545608), (8, 9716005), (10, 7772804), (13, 5979080), (20, 3886402), (23, 3379480), (26, 2989540), (40, 1943201), (46, 1689740), (52, 1494770), (65, 1195816), (67, 1160120), (92, 844870), (97, 801320), (104, 747385), (115, 675896), (130, 597908), (134, 580060), (184, 422435), (194, 400660), (230, 337948), (260, 298954), (268, 290030), (299, 259960), (335, 232024), (388, 200330), (460, 168974), (485, 160264), (520, 149477), (536, 145015), (598, 129980), (670, 116012), (776, 100165), (871, 89240), (920, 84487), (970, 80132), (1196, 64990), (1261, 61640), (1340, 58006), (1495, 51992), (1541, 50440), (1742, 44620), (1940, 40066), (2231, 34840), (2392, 32495), (2522, 30820), (2680, 29003), (2990, 25996), (3082, 25220), (3484, 22310), (3880, 20033), (4355, 17848), (4462, 17420), (5044, 15410), (5980, 12998), (6164, 12610), (6305, 12328), (6499, 11960), (6968, 11155), (7705, 10088), (8710, 8924)]