2002988120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 256

約数和(自身を含む): 5662310400

約数和(自身を除く): 3659322280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 79, 92, 115, 124, 127, 140, 155, 158, 161, 184, 217, 230, 248, 254, 280, 310, 316, 322, 395, 434, 460, 508, 553, 620, 632, 635, 644, 713, 790, 805, 868, 889, 920, 1016, 1085, 1106, 1240, 1270, 1288, 1426, 1580, 1610, 1736, 1778, 1817, 2170, 2212, 2449, 2540, 2765, 2852, 2921, 3160, 3220, 3556, 3565, 3634, 3937, 4340, 4424, 4445, 4898, 4991, 5080, 5530, 5704, 5842, 6440, 7112, 7130, 7268, 7874, 8680, 8890, 9085, 9796, 9982, 10033, 11060, 11684, 12245, 12719, 14260, 14536, 14605, 15748, 17143, 17780, 18170, 19592, 19685, 19964, 20066, 20447, 22120, 23368, 24490, 24955, 25438, 27559, 28520, 29210, 31496, 34286, 35560, 36340, 39370, 39928, 40132, 40894, 48980, 49910, 50165, 50876, 55118, 56327, 58420, 63595, 68572, 70231, 72680, 78740, 80264, 81788, 85715, 90551, 97960, 99820, 100330, 101752, 102235, 110236, 112654, 116840, 127190, 137144, 137795, 140462, 157480, 163576, 171430, 181102, 199640, 200660, 204470, 220472, 225308, 230759, 254380, 275590, 280924, 281635, 311023, 342860, 351155, 362204, 394289, 401320, 408940, 450616, 452755, 461518, 508760, 551180, 561848, 563270, 622046, 633857, 685720, 702310, 724408, 788578, 817880, 905510, 923036, 1102360, 1126540, 1153795, 1244092, 1267714, 1404620, 1555115, 1577156, 1615313, 1811020, 1846072, 1971445, 2177161, 2253080, 2307590, 2488184, 2535428, 2809240, 3110230, 3154312, 3169285, 3230626, 3622040, 3942890, 4354322, 4615180, 5070856, 6220460, 6338570, 6461252, 7153529, 7885780, 8076565, 8708644, 9230360, 10885805, 12440920, 12677140, 12922504, 14307058, 15771560, 16153130, 17417288, 21771610, 25354280, 28614116, 32306260, 35767645, 43543220, 50074703, 57228232, 64612520, 71535290, 87086440, 100149406, 143070580, 200298812, 250373515, 286141160, 400597624, 500747030, 1001494060, 2002988120]

約数ペア:

[(1, 2002988120), (2, 1001494060), (4, 500747030), (5, 400597624), (7, 286141160), (8, 250373515), (10, 200298812), (14, 143070580), (20, 100149406), (23, 87086440), (28, 71535290), (31, 64612520), (35, 57228232), (40, 50074703), (46, 43543220), (56, 35767645), (62, 32306260), (70, 28614116), (79, 25354280), (92, 21771610), (115, 17417288), (124, 16153130), (127, 15771560), (140, 14307058), (155, 12922504), (158, 12677140), (161, 12440920), (184, 10885805), (217, 9230360), (230, 8708644), (248, 8076565), (254, 7885780), (280, 7153529), (310, 6461252), (316, 6338570), (322, 6220460), (395, 5070856), (434, 4615180), (460, 4354322), (508, 3942890), (553, 3622040), (620, 3230626), (632, 3169285), (635, 3154312), (644, 3110230), (713, 2809240), (790, 2535428), (805, 2488184), (868, 2307590), (889, 2253080), (920, 2177161), (1016, 1971445), (1085, 1846072), (1106, 1811020), (1240, 1615313), (1270, 1577156), (1288, 1555115), (1426, 1404620), (1580, 1267714), (1610, 1244092), (1736, 1153795), (1778, 1126540), (1817, 1102360), (2170, 923036), (2212, 905510), (2449, 817880), (2540, 788578), (2765, 724408), (2852, 702310), (2921, 685720), (3160, 633857), (3220, 622046), (3556, 563270), (3565, 561848), (3634, 551180), (3937, 508760), (4340, 461518), (4424, 452755), (4445, 450616), (4898, 408940), (4991, 401320), (5080, 394289), (5530, 362204), (5704, 351155), (5842, 342860), (6440, 311023), (7112, 281635), (7130, 280924), (7268, 275590), (7874, 254380), (8680, 230759), (8890, 225308), (9085, 220472), (9796, 204470), (9982, 200660), (10033, 199640), (11060, 181102), (11684, 171430), (12245, 163576), (12719, 157480), (14260, 140462), (14536, 137795), (14605, 137144), (15748, 127190), (17143, 116840), (17780, 112654), (18170, 110236), (19592, 102235), (19685, 101752), (19964, 100330), (20066, 99820), (20447, 97960), (22120, 90551), (23368, 85715), (24490, 81788), (24955, 80264), (25438, 78740), (27559, 72680), (28520, 70231), (29210, 68572), (31496, 63595), (34286, 58420), (35560, 56327), (36340, 55118), (39370, 50876), (39928, 50165), (40132, 49910), (40894, 48980)]