2018554440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{6053}}^1$

素因数の和:6471

約数の個数: 128

約数和(自身を含む): 6939336960

約数和(自身を除く): 4920782520

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, 70, 84, 105, 120, 140, 168, 210, 280, 397, 420, 794, 840, 1191, 1588, 1985, 2382, 2779, 3176, 3970, 4764, 5558, 5955, 6053, 7940, 8337, 9528, 11116, 11910, 12106, 13895, 15880, 16674, 18159, 22232, 23820, 24212, 27790, 30265, 33348, 36318, 41685, 42371, 47640, 48424, 55580, 60530, 66696, 72636, 83370, 84742, 90795, 111160, 121060, 127113, 145272, 166740, 169484, 181590, 211855, 242120, 254226, 333480, 338968, 363180, 423710, 508452, 635565, 726360, 847420, 1016904, 1271130, 1694840, 2403041, 2542260, 4806082, 5084520, 7209123, 9612164, 12015205, 14418246, 16821287, 19224328, 24030410, 28836492, 33642574, 36045615, 48060820, 50463861, 57672984, 67285148, 72091230, 84106435, 96121640, 100927722, 134570296, 144182460, 168212870, 201855444, 252319305, 288364920, 336425740, 403710888, 504638610, 672851480, 1009277220, 2018554440]

約数ペア:

[(1, 2018554440), (2, 1009277220), (3, 672851480), (4, 504638610), (5, 403710888), (6, 336425740), (7, 288364920), (8, 252319305), (10, 201855444), (12, 168212870), (14, 144182460), (15, 134570296), (20, 100927722), (21, 96121640), (24, 84106435), (28, 72091230), (30, 67285148), (35, 57672984), (40, 50463861), (42, 48060820), (56, 36045615), (60, 33642574), (70, 28836492), (84, 24030410), (105, 19224328), (120, 16821287), (140, 14418246), (168, 12015205), (210, 9612164), (280, 7209123), (397, 5084520), (420, 4806082), (794, 2542260), (840, 2403041), (1191, 1694840), (1588, 1271130), (1985, 1016904), (2382, 847420), (2779, 726360), (3176, 635565), (3970, 508452), (4764, 423710), (5558, 363180), (5955, 338968), (6053, 333480), (7940, 254226), (8337, 242120), (9528, 211855), (11116, 181590), (11910, 169484), (12106, 166740), (13895, 145272), (15880, 127113), (16674, 121060), (18159, 111160), (22232, 90795), (23820, 84742), (24212, 83370), (27790, 72636), (30265, 66696), (33348, 60530), (36318, 55580), (41685, 48424), (42371, 47640)]