201620120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 309314920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 71, 86, 104, 127, 130, 142, 172, 215, 254, 260, 284, 344, 355, 430, 508, 520, 559, 568, 635, 710, 860, 923, 1016, 1118, 1270, 1420, 1651, 1720, 1846, 2236, 2540, 2795, 2840, 3053, 3302, 3692, 4472, 4615, 5080, 5461, 5590, 6106, 6604, 7384, 8255, 9017, 9230, 10922, 11180, 12212, 13208, 15265, 16510, 18034, 18460, 21844, 22360, 24424, 27305, 30530, 33020, 36068, 36920, 39689, 43688, 45085, 54610, 61060, 66040, 70993, 72136, 79378, 90170, 109220, 117221, 122120, 141986, 158756, 180340, 198445, 218440, 234442, 283972, 317512, 354965, 360680, 387731, 396890, 468884, 567944, 586105, 709930, 775462, 793780, 937768, 1172210, 1419860, 1550924, 1587560, 1938655, 2344420, 2839720, 3101848, 3877310, 4688840, 5040503, 7754620, 10081006, 15509240, 20162012, 25202515, 40324024, 50405030, 100810060, 201620120]

約数ペア:

[(1, 201620120), (2, 100810060), (4, 50405030), (5, 40324024), (8, 25202515), (10, 20162012), (13, 15509240), (20, 10081006), (26, 7754620), (40, 5040503), (43, 4688840), (52, 3877310), (65, 3101848), (71, 2839720), (86, 2344420), (104, 1938655), (127, 1587560), (130, 1550924), (142, 1419860), (172, 1172210), (215, 937768), (254, 793780), (260, 775462), (284, 709930), (344, 586105), (355, 567944), (430, 468884), (508, 396890), (520, 387731), (559, 360680), (568, 354965), (635, 317512), (710, 283972), (860, 234442), (923, 218440), (1016, 198445), (1118, 180340), (1270, 158756), (1420, 141986), (1651, 122120), (1720, 117221), (1846, 109220), (2236, 90170), (2540, 79378), (2795, 72136), (2840, 70993), (3053, 66040), (3302, 61060), (3692, 54610), (4472, 45085), (4615, 43688), (5080, 39689), (5461, 36920), (5590, 36068), (6106, 33020), (6604, 30530), (7384, 27305), (8255, 24424), (9017, 22360), (9230, 21844), (10922, 18460), (11180, 18034), (12212, 16510), (13208, 15265)]