28687638840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{268913}}^1$

素因数の和:269061

約数の個数: 128

約数和(自身を含む): 99132456960

約数和(自身を除く): 70444818120

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, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2667, 3048, 3556, 3810, 4445, 5080, 5334, 7112, 7620, 8890, 10668, 13335, 15240, 17780, 21336, 26670, 35560, 53340, 106680, 268913, 537826, 806739, 1075652, 1344565, 1613478, 1882391, 2151304, 2689130, 3226956, 3764782, 4033695, 5378260, 5647173, 6453912, 7529564, 8067390, 9411955, 10756520, 11294346, 15059128, 16134780, 18823910, 22588692, 28235865, 32269560, 34151951, 37647820, 45177384, 56471730, 68303902, 75295640, 102455853, 112943460, 136607804, 170759755, 204911706, 225886920, 239063657, 273215608, 341519510, 409823412, 478127314, 512279265, 683039020, 717190971, 819646824, 956254628, 1024558530, 1195318285, 1366078040, 1434381942, 1912509256, 2049117060, 2390636570, 2868763884, 3585954855, 4098234120, 4781273140, 5737527768, 7171909710, 9562546280, 14343819420, 28687638840]

約数ペア:

[(1, 28687638840), (2, 14343819420), (3, 9562546280), (4, 7171909710), (5, 5737527768), (6, 4781273140), (7, 4098234120), (8, 3585954855), (10, 2868763884), (12, 2390636570), (14, 2049117060), (15, 1912509256), (20, 1434381942), (21, 1366078040), (24, 1195318285), (28, 1024558530), (30, 956254628), (35, 819646824), (40, 717190971), (42, 683039020), (56, 512279265), (60, 478127314), (70, 409823412), (84, 341519510), (105, 273215608), (120, 239063657), (127, 225886920), (140, 204911706), (168, 170759755), (210, 136607804), (254, 112943460), (280, 102455853), (381, 75295640), (420, 68303902), (508, 56471730), (635, 45177384), (762, 37647820), (840, 34151951), (889, 32269560), (1016, 28235865), (1270, 22588692), (1524, 18823910), (1778, 16134780), (1905, 15059128), (2540, 11294346), (2667, 10756520), (3048, 9411955), (3556, 8067390), (3810, 7529564), (4445, 6453912), (5080, 5647173), (5334, 5378260), (7112, 4033695), (7620, 3764782), (8890, 3226956), (10668, 2689130), (13335, 2151304), (15240, 1882391), (17780, 1613478), (21336, 1344565), (26670, 1075652), (35560, 806739), (53340, 537826), (106680, 268913)]