78808500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 252802368

約数和(自身を除く): 173993868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 83, 90, 100, 125, 150, 166, 180, 211, 225, 249, 250, 300, 332, 375, 415, 422, 450, 498, 500, 633, 747, 750, 830, 844, 900, 996, 1055, 1125, 1245, 1266, 1494, 1500, 1660, 1899, 2075, 2110, 2250, 2490, 2532, 2988, 3165, 3735, 3798, 4150, 4220, 4500, 4980, 5275, 6225, 6330, 7470, 7596, 8300, 9495, 10375, 10550, 12450, 12660, 14940, 15825, 17513, 18675, 18990, 20750, 21100, 24900, 26375, 31125, 31650, 35026, 37350, 37980, 41500, 47475, 52539, 52750, 62250, 63300, 70052, 74700, 79125, 87565, 93375, 94950, 105078, 105500, 124500, 157617, 158250, 175130, 186750, 189900, 210156, 237375, 262695, 315234, 316500, 350260, 373500, 437825, 474750, 525390, 630468, 788085, 875650, 949500, 1050780, 1313475, 1576170, 1751300, 2189125, 2626950, 3152340, 3940425, 4378250, 5253900, 6567375, 7880850, 8756500, 13134750, 15761700, 19702125, 26269500, 39404250, 78808500]

約数ペア:

[(1, 78808500), (2, 39404250), (3, 26269500), (4, 19702125), (5, 15761700), (6, 13134750), (9, 8756500), (10, 7880850), (12, 6567375), (15, 5253900), (18, 4378250), (20, 3940425), (25, 3152340), (30, 2626950), (36, 2189125), (45, 1751300), (50, 1576170), (60, 1313475), (75, 1050780), (83, 949500), (90, 875650), (100, 788085), (125, 630468), (150, 525390), (166, 474750), (180, 437825), (211, 373500), (225, 350260), (249, 316500), (250, 315234), (300, 262695), (332, 237375), (375, 210156), (415, 189900), (422, 186750), (450, 175130), (498, 158250), (500, 157617), (633, 124500), (747, 105500), (750, 105078), (830, 94950), (844, 93375), (900, 87565), (996, 79125), (1055, 74700), (1125, 70052), (1245, 63300), (1266, 62250), (1494, 52750), (1500, 52539), (1660, 47475), (1899, 41500), (2075, 37980), (2110, 37350), (2250, 35026), (2490, 31650), (2532, 31125), (2988, 26375), (3165, 24900), (3735, 21100), (3798, 20750), (4150, 18990), (4220, 18675), (4500, 17513), (4980, 15825), (5275, 14940), (6225, 12660), (6330, 12450), (7470, 10550), (7596, 10375), (8300, 9495)]