2891604240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1097}}^1$

素因数の和:1646

約数の個数: 240

約数和(自身を含む): 11129609088

約数和(自身を除く): 8238004848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 523, 560, 630, 720, 840, 1008, 1046, 1097, 1260, 1569, 1680, 2092, 2194, 2520, 2615, 3138, 3291, 3661, 4184, 4388, 4707, 5040, 5230, 5485, 6276, 6582, 7322, 7679, 7845, 8368, 8776, 9414, 9873, 10460, 10970, 10983, 12552, 13164, 14644, 15358, 15690, 16455, 17552, 18305, 18828, 19746, 20920, 21940, 21966, 23037, 23535, 25104, 26328, 29288, 30716, 31380, 32910, 32949, 36610, 37656, 38395, 39492, 41840, 43880, 43932, 46074, 47070, 49365, 52656, 54915, 58576, 61432, 62760, 65820, 65898, 69111, 73220, 75312, 76790, 78984, 87760, 87864, 92148, 94140, 98730, 109830, 115185, 122864, 125520, 131640, 131796, 138222, 146440, 153580, 157968, 164745, 175728, 184296, 188280, 197460, 219660, 230370, 263280, 263592, 276444, 292880, 307160, 329490, 345555, 368592, 376560, 394920, 439320, 460740, 527184, 552888, 573731, 614320, 658980, 691110, 789840, 878640, 921480, 1105776, 1147462, 1317960, 1382220, 1721193, 1842960, 2294924, 2635920, 2764440, 2868655, 3442386, 4016117, 4589848, 5163579, 5528880, 5737310, 6884772, 8032234, 8605965, 9179696, 10327158, 11474620, 12048351, 13769544, 16064468, 17211930, 20080585, 20654316, 22949240, 24096702, 25817895, 27539088, 32128936, 34423860, 36145053, 40161170, 41308632, 45898480, 48193404, 51635790, 60241755, 64257872, 68847720, 72290106, 80322340, 82617264, 96386808, 103271580, 120483510, 137695440, 144580212, 160644680, 180725265, 192773616, 206543160, 240967020, 289160424, 321289360, 361450530, 413086320, 481934040, 578320848, 722901060, 963868080, 1445802120, 2891604240]

約数ペア:

[(1, 2891604240), (2, 1445802120), (3, 963868080), (4, 722901060), (5, 578320848), (6, 481934040), (7, 413086320), (8, 361450530), (9, 321289360), (10, 289160424), (12, 240967020), (14, 206543160), (15, 192773616), (16, 180725265), (18, 160644680), (20, 144580212), (21, 137695440), (24, 120483510), (28, 103271580), (30, 96386808), (35, 82617264), (36, 80322340), (40, 72290106), (42, 68847720), (45, 64257872), (48, 60241755), (56, 51635790), (60, 48193404), (63, 45898480), (70, 41308632), (72, 40161170), (80, 36145053), (84, 34423860), (90, 32128936), (105, 27539088), (112, 25817895), (120, 24096702), (126, 22949240), (140, 20654316), (144, 20080585), (168, 17211930), (180, 16064468), (210, 13769544), (240, 12048351), (252, 11474620), (280, 10327158), (315, 9179696), (336, 8605965), (360, 8032234), (420, 6884772), (504, 5737310), (523, 5528880), (560, 5163579), (630, 4589848), (720, 4016117), (840, 3442386), (1008, 2868655), (1046, 2764440), (1097, 2635920), (1260, 2294924), (1569, 1842960), (1680, 1721193), (2092, 1382220), (2194, 1317960), (2520, 1147462), (2615, 1105776), (3138, 921480), (3291, 878640), (3661, 789840), (4184, 691110), (4388, 658980), (4707, 614320), (5040, 573731), (5230, 552888), (5485, 527184), (6276, 460740), (6582, 439320), (7322, 394920), (7679, 376560), (7845, 368592), (8368, 345555), (8776, 329490), (9414, 307160), (9873, 292880), (10460, 276444), (10970, 263592), (10983, 263280), (12552, 230370), (13164, 219660), (14644, 197460), (15358, 188280), (15690, 184296), (16455, 175728), (17552, 164745), (18305, 157968), (18828, 153580), (19746, 146440), (20920, 138222), (21940, 131796), (21966, 131640), (23037, 125520), (23535, 122864), (25104, 115185), (26328, 109830), (29288, 98730), (30716, 94140), (31380, 92148), (32910, 87864), (32949, 87760), (36610, 78984), (37656, 76790), (38395, 75312), (39492, 73220), (41840, 69111), (43880, 65898), (43932, 65820), (46074, 62760), (47070, 61432), (49365, 58576), (52656, 54915)]