155406440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 418176000

約数和(自身を除く): 262769560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 241, 245, 280, 329, 343, 376, 392, 470, 482, 490, 658, 686, 940, 964, 980, 1205, 1316, 1372, 1645, 1687, 1715, 1880, 1928, 1960, 2303, 2410, 2632, 2744, 3290, 3374, 3430, 4606, 4820, 6580, 6748, 6860, 8435, 9212, 9640, 11327, 11515, 11809, 13160, 13496, 13720, 16121, 16870, 18424, 22654, 23030, 23618, 32242, 33740, 45308, 46060, 47236, 56635, 59045, 64484, 67480, 79289, 80605, 82663, 90616, 92120, 94472, 113270, 118090, 128968, 158578, 161210, 165326, 226540, 236180, 317156, 322420, 330652, 396445, 413315, 453080, 472360, 555023, 634312, 644840, 661304, 792890, 826630, 1110046, 1585780, 1653260, 2220092, 2775115, 3171560, 3306520, 3885161, 4440184, 5550230, 7770322, 11100460, 15540644, 19425805, 22200920, 31081288, 38851610, 77703220, 155406440]

約数ペア:

[(1, 155406440), (2, 77703220), (4, 38851610), (5, 31081288), (7, 22200920), (8, 19425805), (10, 15540644), (14, 11100460), (20, 7770322), (28, 5550230), (35, 4440184), (40, 3885161), (47, 3306520), (49, 3171560), (56, 2775115), (70, 2220092), (94, 1653260), (98, 1585780), (140, 1110046), (188, 826630), (196, 792890), (235, 661304), (241, 644840), (245, 634312), (280, 555023), (329, 472360), (343, 453080), (376, 413315), (392, 396445), (470, 330652), (482, 322420), (490, 317156), (658, 236180), (686, 226540), (940, 165326), (964, 161210), (980, 158578), (1205, 128968), (1316, 118090), (1372, 113270), (1645, 94472), (1687, 92120), (1715, 90616), (1880, 82663), (1928, 80605), (1960, 79289), (2303, 67480), (2410, 64484), (2632, 59045), (2744, 56635), (3290, 47236), (3374, 46060), (3430, 45308), (4606, 33740), (4820, 32242), (6580, 23618), (6748, 23030), (6860, 22654), (8435, 18424), (9212, 16870), (9640, 16121), (11327, 13720), (11515, 13496), (11809, 13160)]