78713880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1233

約数の個数: 128

約数和(自身を含む): 273369600

約数和(自身を除く): 194655720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1129, 1162, 1245, 1660, 1743, 1992, 2258, 2324, 2490, 2905, 3320, 3387, 3486, 4516, 4648, 4980, 5645, 5810, 6774, 6972, 7903, 8715, 9032, 9960, 11290, 11620, 13548, 13944, 15806, 16935, 17430, 22580, 23240, 23709, 27096, 31612, 33870, 34860, 39515, 45160, 47418, 63224, 67740, 69720, 79030, 93707, 94836, 118545, 135480, 158060, 187414, 189672, 237090, 281121, 316120, 374828, 468535, 474180, 562242, 655949, 749656, 937070, 948360, 1124484, 1311898, 1405605, 1874140, 1967847, 2248968, 2623796, 2811210, 3279745, 3748280, 3935694, 5247592, 5622420, 6559490, 7871388, 9839235, 11244840, 13118980, 15742776, 19678470, 26237960, 39356940, 78713880]

約数ペア:

[(1, 78713880), (2, 39356940), (3, 26237960), (4, 19678470), (5, 15742776), (6, 13118980), (7, 11244840), (8, 9839235), (10, 7871388), (12, 6559490), (14, 5622420), (15, 5247592), (20, 3935694), (21, 3748280), (24, 3279745), (28, 2811210), (30, 2623796), (35, 2248968), (40, 1967847), (42, 1874140), (56, 1405605), (60, 1311898), (70, 1124484), (83, 948360), (84, 937070), (105, 749656), (120, 655949), (140, 562242), (166, 474180), (168, 468535), (210, 374828), (249, 316120), (280, 281121), (332, 237090), (415, 189672), (420, 187414), (498, 158060), (581, 135480), (664, 118545), (830, 94836), (840, 93707), (996, 79030), (1129, 69720), (1162, 67740), (1245, 63224), (1660, 47418), (1743, 45160), (1992, 39515), (2258, 34860), (2324, 33870), (2490, 31612), (2905, 27096), (3320, 23709), (3387, 23240), (3486, 22580), (4516, 17430), (4648, 16935), (4980, 15806), (5645, 13944), (5810, 13548), (6774, 11620), (6972, 11290), (7903, 9960), (8715, 9032)]