78217020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2699}}^1$

素因数の和:2744

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 204829380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2699, 2898, 3220, 4140, 4830, 5398, 5796, 7245, 8097, 9660, 10796, 13495, 14490, 16194, 18893, 24291, 26990, 28980, 32388, 37786, 40485, 48582, 53980, 56679, 62077, 75572, 80970, 94465, 97164, 113358, 121455, 124154, 161940, 170037, 186231, 188930, 226716, 242910, 248308, 283395, 310385, 340074, 372462, 377860, 434539, 485820, 558693, 566790, 620770, 680148, 744924, 850185, 869078, 931155, 1117386, 1133580, 1241540, 1303617, 1700370, 1738156, 1862310, 2172695, 2234772, 2607234, 2793465, 3400740, 3724620, 3910851, 4345390, 5214468, 5586930, 6518085, 7821702, 8690780, 11173860, 13036170, 15643404, 19554255, 26072340, 39108510, 78217020]

約数ペア:

[(1, 78217020), (2, 39108510), (3, 26072340), (4, 19554255), (5, 15643404), (6, 13036170), (7, 11173860), (9, 8690780), (10, 7821702), (12, 6518085), (14, 5586930), (15, 5214468), (18, 4345390), (20, 3910851), (21, 3724620), (23, 3400740), (28, 2793465), (30, 2607234), (35, 2234772), (36, 2172695), (42, 1862310), (45, 1738156), (46, 1700370), (60, 1303617), (63, 1241540), (69, 1133580), (70, 1117386), (84, 931155), (90, 869078), (92, 850185), (105, 744924), (115, 680148), (126, 620770), (138, 566790), (140, 558693), (161, 485820), (180, 434539), (207, 377860), (210, 372462), (230, 340074), (252, 310385), (276, 283395), (315, 248308), (322, 242910), (345, 226716), (414, 188930), (420, 186231), (460, 170037), (483, 161940), (630, 124154), (644, 121455), (690, 113358), (805, 97164), (828, 94465), (966, 80970), (1035, 75572), (1260, 62077), (1380, 56679), (1449, 53980), (1610, 48582), (1932, 40485), (2070, 37786), (2415, 32388), (2699, 28980), (2898, 26990), (3220, 24291), (4140, 18893), (4830, 16194), (5398, 14490), (5796, 13495), (7245, 10796), (8097, 9660)]