2101680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:168

約数の個数: 160

約数和(自身を含む): 8332800

約数和(自身を除く): 6231120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 139, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 278, 280, 315, 336, 360, 378, 417, 420, 432, 504, 540, 556, 560, 630, 695, 720, 756, 834, 840, 945, 973, 1008, 1080, 1112, 1251, 1260, 1390, 1512, 1668, 1680, 1890, 1946, 2085, 2160, 2224, 2502, 2520, 2780, 2919, 3024, 3336, 3753, 3780, 3892, 4170, 4865, 5004, 5040, 5560, 5838, 6255, 6672, 7506, 7560, 7784, 8340, 8757, 9730, 10008, 11120, 11676, 12510, 14595, 15012, 15120, 15568, 16680, 17514, 18765, 19460, 20016, 23352, 25020, 26271, 29190, 30024, 33360, 35028, 37530, 38920, 43785, 46704, 50040, 52542, 58380, 60048, 70056, 75060, 77840, 87570, 100080, 105084, 116760, 131355, 140112, 150120, 175140, 210168, 233520, 262710, 300240, 350280, 420336, 525420, 700560, 1050840, 2101680]

約数ペア:

[(1, 2101680), (2, 1050840), (3, 700560), (4, 525420), (5, 420336), (6, 350280), (7, 300240), (8, 262710), (9, 233520), (10, 210168), (12, 175140), (14, 150120), (15, 140112), (16, 131355), (18, 116760), (20, 105084), (21, 100080), (24, 87570), (27, 77840), (28, 75060), (30, 70056), (35, 60048), (36, 58380), (40, 52542), (42, 50040), (45, 46704), (48, 43785), (54, 38920), (56, 37530), (60, 35028), (63, 33360), (70, 30024), (72, 29190), (80, 26271), (84, 25020), (90, 23352), (105, 20016), (108, 19460), (112, 18765), (120, 17514), (126, 16680), (135, 15568), (139, 15120), (140, 15012), (144, 14595), (168, 12510), (180, 11676), (189, 11120), (210, 10008), (216, 9730), (240, 8757), (252, 8340), (270, 7784), (278, 7560), (280, 7506), (315, 6672), (336, 6255), (360, 5838), (378, 5560), (417, 5040), (420, 5004), (432, 4865), (504, 4170), (540, 3892), (556, 3780), (560, 3753), (630, 3336), (695, 3024), (720, 2919), (756, 2780), (834, 2520), (840, 2502), (945, 2224), (973, 2160), (1008, 2085), (1080, 1946), (1112, 1890), (1251, 1680), (1260, 1668), (1390, 1512)]