78701840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1225

約数の個数: 120

約数和(自身を含む): 225568152

約数和(自身を除く): 146866312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1181, 1190, 1360, 1666, 1904, 1960, 2362, 2380, 3332, 3920, 4165, 4724, 4760, 5905, 6664, 8267, 8330, 9448, 9520, 11810, 13328, 16534, 16660, 18896, 20077, 23620, 33068, 33320, 40154, 41335, 47240, 57869, 66136, 66640, 80308, 82670, 94480, 100385, 115738, 132272, 140539, 160616, 165340, 200770, 231476, 281078, 289345, 321232, 330680, 401540, 462952, 562156, 578690, 661360, 702695, 803080, 925904, 983773, 1124312, 1157380, 1405390, 1606160, 1967546, 2248624, 2314760, 2810780, 3935092, 4629520, 4918865, 5621560, 7870184, 9837730, 11243120, 15740368, 19675460, 39350920, 78701840]

約数ペア:

[(1, 78701840), (2, 39350920), (4, 19675460), (5, 15740368), (7, 11243120), (8, 9837730), (10, 7870184), (14, 5621560), (16, 4918865), (17, 4629520), (20, 3935092), (28, 2810780), (34, 2314760), (35, 2248624), (40, 1967546), (49, 1606160), (56, 1405390), (68, 1157380), (70, 1124312), (80, 983773), (85, 925904), (98, 803080), (112, 702695), (119, 661360), (136, 578690), (140, 562156), (170, 462952), (196, 401540), (238, 330680), (245, 321232), (272, 289345), (280, 281078), (340, 231476), (392, 200770), (476, 165340), (490, 160616), (560, 140539), (595, 132272), (680, 115738), (784, 100385), (833, 94480), (952, 82670), (980, 80308), (1181, 66640), (1190, 66136), (1360, 57869), (1666, 47240), (1904, 41335), (1960, 40154), (2362, 33320), (2380, 33068), (3332, 23620), (3920, 20077), (4165, 18896), (4724, 16660), (4760, 16534), (5905, 13328), (6664, 11810), (8267, 9520), (8330, 9448)]