161962640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 444435840

約数和(自身を除く): 282473200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 523, 553, 560, 632, 784, 790, 980, 1046, 1106, 1264, 1580, 1960, 2092, 2212, 2615, 2765, 3160, 3661, 3871, 3920, 4184, 4424, 5230, 5530, 6320, 7322, 7742, 8368, 8848, 10460, 11060, 14644, 15484, 18305, 19355, 20920, 22120, 25627, 29288, 30968, 36610, 38710, 41317, 41840, 44240, 51254, 58576, 61936, 73220, 77420, 82634, 102508, 128135, 146440, 154840, 165268, 205016, 206585, 256270, 289219, 292880, 309680, 330536, 410032, 413170, 512540, 578438, 661072, 826340, 1025080, 1156876, 1446095, 1652680, 2024533, 2050160, 2313752, 2892190, 3305360, 4049066, 4627504, 5784380, 8098132, 10122665, 11568760, 16196264, 20245330, 23137520, 32392528, 40490660, 80981320, 161962640]

約数ペア:

[(1, 161962640), (2, 80981320), (4, 40490660), (5, 32392528), (7, 23137520), (8, 20245330), (10, 16196264), (14, 11568760), (16, 10122665), (20, 8098132), (28, 5784380), (35, 4627504), (40, 4049066), (49, 3305360), (56, 2892190), (70, 2313752), (79, 2050160), (80, 2024533), (98, 1652680), (112, 1446095), (140, 1156876), (158, 1025080), (196, 826340), (245, 661072), (280, 578438), (316, 512540), (392, 413170), (395, 410032), (490, 330536), (523, 309680), (553, 292880), (560, 289219), (632, 256270), (784, 206585), (790, 205016), (980, 165268), (1046, 154840), (1106, 146440), (1264, 128135), (1580, 102508), (1960, 82634), (2092, 77420), (2212, 73220), (2615, 61936), (2765, 58576), (3160, 51254), (3661, 44240), (3871, 41840), (3920, 41317), (4184, 38710), (4424, 36610), (5230, 30968), (5530, 29288), (6320, 25627), (7322, 22120), (7742, 20920), (8368, 19355), (8848, 18305), (10460, 15484), (11060, 14644)]