402255960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 1237420800

約数和(自身を除く): 835164840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 179, 183, 244, 305, 307, 358, 366, 488, 537, 610, 614, 716, 732, 895, 915, 921, 1074, 1220, 1228, 1432, 1464, 1535, 1790, 1830, 1842, 2148, 2440, 2456, 2685, 3070, 3580, 3660, 3684, 4296, 4605, 5370, 6140, 7160, 7320, 7368, 9210, 10740, 10919, 12280, 18420, 18727, 21480, 21838, 32757, 36840, 37454, 43676, 54595, 54953, 56181, 65514, 74908, 87352, 93635, 109190, 109906, 112362, 131028, 149816, 163785, 164859, 187270, 218380, 219812, 224724, 262056, 274765, 280905, 327570, 329718, 374540, 436760, 439624, 449448, 549530, 561810, 655140, 659436, 749080, 824295, 1099060, 1123620, 1310280, 1318872, 1648590, 2198120, 2247240, 3297180, 3352133, 6594360, 6704266, 10056399, 13408532, 16760665, 20112798, 26817064, 33521330, 40225596, 50281995, 67042660, 80451192, 100563990, 134085320, 201127980, 402255960]

約数ペア:

[(1, 402255960), (2, 201127980), (3, 134085320), (4, 100563990), (5, 80451192), (6, 67042660), (8, 50281995), (10, 40225596), (12, 33521330), (15, 26817064), (20, 20112798), (24, 16760665), (30, 13408532), (40, 10056399), (60, 6704266), (61, 6594360), (120, 3352133), (122, 3297180), (179, 2247240), (183, 2198120), (244, 1648590), (305, 1318872), (307, 1310280), (358, 1123620), (366, 1099060), (488, 824295), (537, 749080), (610, 659436), (614, 655140), (716, 561810), (732, 549530), (895, 449448), (915, 439624), (921, 436760), (1074, 374540), (1220, 329718), (1228, 327570), (1432, 280905), (1464, 274765), (1535, 262056), (1790, 224724), (1830, 219812), (1842, 218380), (2148, 187270), (2440, 164859), (2456, 163785), (2685, 149816), (3070, 131028), (3580, 112362), (3660, 109906), (3684, 109190), (4296, 93635), (4605, 87352), (5370, 74908), (6140, 65514), (7160, 56181), (7320, 54953), (7368, 54595), (9210, 43676), (10740, 37454), (10919, 36840), (12280, 32757), (18420, 21838), (18727, 21480)]