155758720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 407237040

約数和(自身を除く): 251478320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 128, 130, 160, 193, 194, 208, 260, 320, 386, 388, 416, 485, 520, 640, 772, 776, 832, 965, 970, 1040, 1261, 1544, 1552, 1664, 1930, 1940, 2080, 2509, 2522, 3088, 3104, 3860, 3880, 4160, 5018, 5044, 6176, 6208, 6305, 7720, 7760, 8320, 10036, 10088, 12352, 12416, 12545, 12610, 15440, 15520, 18721, 20072, 20176, 24704, 25090, 25220, 30880, 31040, 37442, 40144, 40352, 50180, 50440, 61760, 62080, 74884, 80288, 80704, 93605, 100360, 100880, 123520, 149768, 160576, 161408, 187210, 200720, 201760, 243373, 299536, 321152, 374420, 401440, 403520, 486746, 599072, 748840, 802880, 807040, 973492, 1198144, 1216865, 1497680, 1605760, 1946984, 2396288, 2433730, 2995360, 3893968, 4867460, 5990720, 7787936, 9734920, 11981440, 15575872, 19469840, 31151744, 38939680, 77879360, 155758720]

約数ペア:

[(1, 155758720), (2, 77879360), (4, 38939680), (5, 31151744), (8, 19469840), (10, 15575872), (13, 11981440), (16, 9734920), (20, 7787936), (26, 5990720), (32, 4867460), (40, 3893968), (52, 2995360), (64, 2433730), (65, 2396288), (80, 1946984), (97, 1605760), (104, 1497680), (128, 1216865), (130, 1198144), (160, 973492), (193, 807040), (194, 802880), (208, 748840), (260, 599072), (320, 486746), (386, 403520), (388, 401440), (416, 374420), (485, 321152), (520, 299536), (640, 243373), (772, 201760), (776, 200720), (832, 187210), (965, 161408), (970, 160576), (1040, 149768), (1261, 123520), (1544, 100880), (1552, 100360), (1664, 93605), (1930, 80704), (1940, 80288), (2080, 74884), (2509, 62080), (2522, 61760), (3088, 50440), (3104, 50180), (3860, 40352), (3880, 40144), (4160, 37442), (5018, 31040), (5044, 30880), (6176, 25220), (6208, 25090), (6305, 24704), (7720, 20176), (7760, 20072), (8320, 18721), (10036, 15520), (10088, 15440), (12352, 12610), (12416, 12545)]