78800820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{547}}^1$

素因数の和:587

約数の個数: 120

約数和(自身を含む): 257871264

約数和(自身を除く): 179070444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 547, 588, 686, 735, 980, 1029, 1094, 1372, 1470, 1641, 1715, 2058, 2188, 2401, 2735, 2940, 3282, 3430, 3829, 4116, 4802, 5145, 5470, 6564, 6860, 7203, 7658, 8205, 9604, 10290, 10940, 11487, 12005, 14406, 15316, 16410, 19145, 20580, 22974, 24010, 26803, 28812, 32820, 36015, 38290, 45948, 48020, 53606, 57435, 72030, 76580, 80409, 107212, 114870, 134015, 144060, 160818, 187621, 229740, 268030, 321636, 375242, 402045, 536060, 562863, 750484, 804090, 938105, 1125726, 1313347, 1608180, 1876210, 2251452, 2626694, 2814315, 3752420, 3940041, 5253388, 5628630, 6566735, 7880082, 11257260, 13133470, 15760164, 19700205, 26266940, 39400410, 78800820]

約数ペア:

[(1, 78800820), (2, 39400410), (3, 26266940), (4, 19700205), (5, 15760164), (6, 13133470), (7, 11257260), (10, 7880082), (12, 6566735), (14, 5628630), (15, 5253388), (20, 3940041), (21, 3752420), (28, 2814315), (30, 2626694), (35, 2251452), (42, 1876210), (49, 1608180), (60, 1313347), (70, 1125726), (84, 938105), (98, 804090), (105, 750484), (140, 562863), (147, 536060), (196, 402045), (210, 375242), (245, 321636), (294, 268030), (343, 229740), (420, 187621), (490, 160818), (547, 144060), (588, 134015), (686, 114870), (735, 107212), (980, 80409), (1029, 76580), (1094, 72030), (1372, 57435), (1470, 53606), (1641, 48020), (1715, 45948), (2058, 38290), (2188, 36015), (2401, 32820), (2735, 28812), (2940, 26803), (3282, 24010), (3430, 22974), (3829, 20580), (4116, 19145), (4802, 16410), (5145, 15316), (5470, 14406), (6564, 12005), (6860, 11487), (7203, 10940), (7658, 10290), (8205, 9604)]