208700520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4073}}^1$

素因数の和:4155

約数の個数: 128

約数和(自身を含む): 727453440

約数和(自身を除く): 518752920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4073, 4270, 5124, 6405, 7320, 8146, 8540, 10248, 12219, 12810, 16292, 17080, 20365, 24438, 25620, 28511, 32584, 40730, 48876, 51240, 57022, 61095, 81460, 85533, 97752, 114044, 122190, 142555, 162920, 171066, 228088, 244380, 248453, 285110, 342132, 427665, 488760, 496906, 570220, 684264, 745359, 855330, 993812, 1140440, 1242265, 1490718, 1710660, 1739171, 1987624, 2484530, 2981436, 3421320, 3478342, 3726795, 4969060, 5217513, 5962872, 6956684, 7453590, 8695855, 9938120, 10435026, 13913368, 14907180, 17391710, 20870052, 26087565, 29814360, 34783420, 41740104, 52175130, 69566840, 104350260, 208700520]

約数ペア:

[(1, 208700520), (2, 104350260), (3, 69566840), (4, 52175130), (5, 41740104), (6, 34783420), (7, 29814360), (8, 26087565), (10, 20870052), (12, 17391710), (14, 14907180), (15, 13913368), (20, 10435026), (21, 9938120), (24, 8695855), (28, 7453590), (30, 6956684), (35, 5962872), (40, 5217513), (42, 4969060), (56, 3726795), (60, 3478342), (61, 3421320), (70, 2981436), (84, 2484530), (105, 1987624), (120, 1739171), (122, 1710660), (140, 1490718), (168, 1242265), (183, 1140440), (210, 993812), (244, 855330), (280, 745359), (305, 684264), (366, 570220), (420, 496906), (427, 488760), (488, 427665), (610, 342132), (732, 285110), (840, 248453), (854, 244380), (915, 228088), (1220, 171066), (1281, 162920), (1464, 142555), (1708, 122190), (1830, 114044), (2135, 97752), (2440, 85533), (2562, 81460), (3416, 61095), (3660, 57022), (4073, 51240), (4270, 48876), (5124, 40730), (6405, 32584), (7320, 28511), (8146, 25620), (8540, 24438), (10248, 20365), (12219, 17080), (12810, 16292)]