78804880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1163}}^1$

素因数の和:1205

約数の個数: 120

約数和(自身を含む): 230360256

約数和(自身を除く): 151555376

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1163, 1210, 1232, 1540, 1694, 1936, 2326, 2420, 3080, 3388, 4235, 4652, 4840, 5815, 6160, 6776, 8141, 8470, 9304, 9680, 11630, 12793, 13552, 16282, 16940, 18608, 23260, 25586, 32564, 33880, 40705, 46520, 51172, 63965, 65128, 67760, 81410, 89551, 93040, 102344, 127930, 130256, 140723, 162820, 179102, 204688, 255860, 281446, 325640, 358204, 447755, 511720, 562892, 651280, 703615, 716408, 895510, 985061, 1023440, 1125784, 1407230, 1432816, 1791020, 1970122, 2251568, 2814460, 3582040, 3940244, 4925305, 5628920, 7164080, 7880488, 9850610, 11257840, 15760976, 19701220, 39402440, 78804880]

約数ペア:

[(1, 78804880), (2, 39402440), (4, 19701220), (5, 15760976), (7, 11257840), (8, 9850610), (10, 7880488), (11, 7164080), (14, 5628920), (16, 4925305), (20, 3940244), (22, 3582040), (28, 2814460), (35, 2251568), (40, 1970122), (44, 1791020), (55, 1432816), (56, 1407230), (70, 1125784), (77, 1023440), (80, 985061), (88, 895510), (110, 716408), (112, 703615), (121, 651280), (140, 562892), (154, 511720), (176, 447755), (220, 358204), (242, 325640), (280, 281446), (308, 255860), (385, 204688), (440, 179102), (484, 162820), (560, 140723), (605, 130256), (616, 127930), (770, 102344), (847, 93040), (880, 89551), (968, 81410), (1163, 67760), (1210, 65128), (1232, 63965), (1540, 51172), (1694, 46520), (1936, 40705), (2326, 33880), (2420, 32564), (3080, 25586), (3388, 23260), (4235, 18608), (4652, 16940), (4840, 16282), (5815, 13552), (6160, 12793), (6776, 11630), (8141, 9680), (8470, 9304)]