208833720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 643645440

約数和(自身を除く): 434811720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 127, 142, 193, 213, 254, 284, 355, 381, 386, 426, 508, 568, 579, 635, 710, 762, 772, 852, 965, 1016, 1065, 1158, 1270, 1420, 1524, 1544, 1704, 1905, 1930, 2130, 2316, 2540, 2840, 2895, 3048, 3810, 3860, 4260, 4632, 5080, 5790, 7620, 7720, 8520, 9017, 11580, 13703, 15240, 18034, 23160, 24511, 27051, 27406, 36068, 41109, 45085, 49022, 54102, 54812, 68515, 72136, 73533, 82218, 90170, 98044, 108204, 109624, 122555, 135255, 137030, 147066, 164436, 180340, 196088, 205545, 216408, 245110, 270510, 274060, 294132, 328872, 360680, 367665, 411090, 490220, 541020, 548120, 588264, 735330, 822180, 980440, 1082040, 1470660, 1644360, 1740281, 2941320, 3480562, 5220843, 6961124, 8701405, 10441686, 13922248, 17402810, 20883372, 26104215, 34805620, 41766744, 52208430, 69611240, 104416860, 208833720]

約数ペア:

[(1, 208833720), (2, 104416860), (3, 69611240), (4, 52208430), (5, 41766744), (6, 34805620), (8, 26104215), (10, 20883372), (12, 17402810), (15, 13922248), (20, 10441686), (24, 8701405), (30, 6961124), (40, 5220843), (60, 3480562), (71, 2941320), (120, 1740281), (127, 1644360), (142, 1470660), (193, 1082040), (213, 980440), (254, 822180), (284, 735330), (355, 588264), (381, 548120), (386, 541020), (426, 490220), (508, 411090), (568, 367665), (579, 360680), (635, 328872), (710, 294132), (762, 274060), (772, 270510), (852, 245110), (965, 216408), (1016, 205545), (1065, 196088), (1158, 180340), (1270, 164436), (1420, 147066), (1524, 137030), (1544, 135255), (1704, 122555), (1905, 109624), (1930, 108204), (2130, 98044), (2316, 90170), (2540, 82218), (2840, 73533), (2895, 72136), (3048, 68515), (3810, 54812), (3860, 54102), (4260, 49022), (4632, 45085), (5080, 41109), (5790, 36068), (7620, 27406), (7720, 27051), (8520, 24511), (9017, 23160), (11580, 18034), (13703, 15240)]