102104240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{61}}^2$

素因数の和:156

約数の個数: 120

約数和(自身を含む): 281455200

約数和(自身を除く): 179350960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 343, 392, 427, 488, 490, 560, 610, 686, 784, 854, 976, 980, 1220, 1372, 1708, 1715, 1960, 2135, 2440, 2744, 2989, 3416, 3430, 3721, 3920, 4270, 4880, 5488, 5978, 6832, 6860, 7442, 8540, 11956, 13720, 14884, 14945, 17080, 18605, 20923, 23912, 26047, 27440, 29768, 29890, 34160, 37210, 41846, 47824, 52094, 59536, 59780, 74420, 83692, 104188, 104615, 119560, 130235, 148840, 167384, 182329, 208376, 209230, 239120, 260470, 297680, 334768, 364658, 416752, 418460, 520940, 729316, 836920, 911645, 1041880, 1276303, 1458632, 1673840, 1823290, 2083760, 2552606, 2917264, 3646580, 5105212, 6381515, 7293160, 10210424, 12763030, 14586320, 20420848, 25526060, 51052120, 102104240]

約数ペア:

[(1, 102104240), (2, 51052120), (4, 25526060), (5, 20420848), (7, 14586320), (8, 12763030), (10, 10210424), (14, 7293160), (16, 6381515), (20, 5105212), (28, 3646580), (35, 2917264), (40, 2552606), (49, 2083760), (56, 1823290), (61, 1673840), (70, 1458632), (80, 1276303), (98, 1041880), (112, 911645), (122, 836920), (140, 729316), (196, 520940), (244, 418460), (245, 416752), (280, 364658), (305, 334768), (343, 297680), (392, 260470), (427, 239120), (488, 209230), (490, 208376), (560, 182329), (610, 167384), (686, 148840), (784, 130235), (854, 119560), (976, 104615), (980, 104188), (1220, 83692), (1372, 74420), (1708, 59780), (1715, 59536), (1960, 52094), (2135, 47824), (2440, 41846), (2744, 37210), (2989, 34160), (3416, 29890), (3430, 29768), (3721, 27440), (3920, 26047), (4270, 23912), (4880, 20923), (5488, 18605), (5978, 17080), (6832, 14945), (6860, 14884), (7442, 13720), (8540, 11956)]