1211529680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{2297}}^1$

素因数の和:2676

約数の個数: 80

約数和(自身を含む): 2974898880

約数和(自身を除く): 1763369200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 347, 380, 694, 760, 1388, 1520, 1735, 2297, 2776, 3470, 4594, 5552, 6593, 6940, 9188, 11485, 13186, 13880, 18376, 22970, 26372, 27760, 32965, 36752, 43643, 45940, 52744, 65930, 87286, 91880, 105488, 131860, 174572, 183760, 218215, 263720, 349144, 436430, 527440, 698288, 797059, 872860, 1594118, 1745720, 3188236, 3491440, 3985295, 6376472, 7970590, 12752944, 15144121, 15941180, 30288242, 31882360, 60576484, 63764720, 75720605, 121152968, 151441210, 242305936, 302882420, 605764840, 1211529680]

約数ペア:

[(1, 1211529680), (2, 605764840), (4, 302882420), (5, 242305936), (8, 151441210), (10, 121152968), (16, 75720605), (19, 63764720), (20, 60576484), (38, 31882360), (40, 30288242), (76, 15941180), (80, 15144121), (95, 12752944), (152, 7970590), (190, 6376472), (304, 3985295), (347, 3491440), (380, 3188236), (694, 1745720), (760, 1594118), (1388, 872860), (1520, 797059), (1735, 698288), (2297, 527440), (2776, 436430), (3470, 349144), (4594, 263720), (5552, 218215), (6593, 183760), (6940, 174572), (9188, 131860), (11485, 105488), (13186, 91880), (13880, 87286), (18376, 65930), (22970, 52744), (26372, 45940), (27760, 43643), (32965, 36752)]