1553884920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19891}}^1$

素因数の和:19946

約数の個数: 192

約数和(自身を含む): 5958051840

約数和(自身を除く): 4404166920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 19891, 26040, 39060, 39782, 59673, 78120, 79564, 99455, 119346, 139237, 159128, 179019, 198910, 238692, 278474, 298365, 358038, 397820, 417711, 477384, 556948, 596730, 616621, 696185, 716076, 795640, 835422, 895095, 1113896, 1193460, 1233242, 1253133, 1392370, 1432152, 1670844, 1790190, 1849863, 2088555, 2386920, 2466484, 2506266, 2784740, 3083105, 3341688, 3580380, 3699726, 4177110, 4316347, 4932968, 5012532, 5549589, 5569480, 6166210, 6265665, 7160760, 7399452, 8354220, 8632694, 9249315, 10025064, 11099178, 12332420, 12531330, 12949041, 14798904, 16708440, 17265388, 18498630, 21581735, 22198356, 24664840, 25062660, 25898082, 27747945, 34530776, 36997260, 38847123, 43163470, 44396712, 50125320, 51796164, 55495890, 64745205, 73994520, 77694246, 86326940, 103592328, 110991780, 129490410, 155388492, 172653880, 194235615, 221983560, 258980820, 310776984, 388471230, 517961640, 776942460, 1553884920]

約数ペア:

[(1, 1553884920), (2, 776942460), (3, 517961640), (4, 388471230), (5, 310776984), (6, 258980820), (7, 221983560), (8, 194235615), (9, 172653880), (10, 155388492), (12, 129490410), (14, 110991780), (15, 103592328), (18, 86326940), (20, 77694246), (21, 73994520), (24, 64745205), (28, 55495890), (30, 51796164), (31, 50125320), (35, 44396712), (36, 43163470), (40, 38847123), (42, 36997260), (45, 34530776), (56, 27747945), (60, 25898082), (62, 25062660), (63, 24664840), (70, 22198356), (72, 21581735), (84, 18498630), (90, 17265388), (93, 16708440), (105, 14798904), (120, 12949041), (124, 12531330), (126, 12332420), (140, 11099178), (155, 10025064), (168, 9249315), (180, 8632694), (186, 8354220), (210, 7399452), (217, 7160760), (248, 6265665), (252, 6166210), (279, 5569480), (280, 5549589), (310, 5012532), (315, 4932968), (360, 4316347), (372, 4177110), (420, 3699726), (434, 3580380), (465, 3341688), (504, 3083105), (558, 2784740), (620, 2506266), (630, 2466484), (651, 2386920), (744, 2088555), (840, 1849863), (868, 1790190), (930, 1670844), (1085, 1432152), (1116, 1392370), (1240, 1253133), (1260, 1233242), (1302, 1193460), (1395, 1113896), (1736, 895095), (1860, 835422), (1953, 795640), (2170, 716076), (2232, 696185), (2520, 616621), (2604, 596730), (2790, 556948), (3255, 477384), (3720, 417711), (3906, 397820), (4340, 358038), (5208, 298365), (5580, 278474), (6510, 238692), (7812, 198910), (8680, 179019), (9765, 159128), (11160, 139237), (13020, 119346), (15624, 99455), (19530, 79564), (19891, 78120), (26040, 59673), (39060, 39782)]