71808640

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 183416400

約数和(自身を除く): 111607760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 53, 58, 64, 73, 80, 106, 116, 128, 145, 146, 160, 212, 232, 265, 290, 292, 320, 365, 424, 464, 530, 580, 584, 640, 730, 848, 928, 1060, 1160, 1168, 1460, 1537, 1696, 1856, 2117, 2120, 2320, 2336, 2920, 3074, 3392, 3712, 3869, 4234, 4240, 4640, 4672, 5840, 6148, 6784, 7685, 7738, 8468, 8480, 9280, 9344, 10585, 11680, 12296, 15370, 15476, 16936, 16960, 18560, 19345, 21170, 23360, 24592, 30740, 30952, 33872, 33920, 38690, 42340, 46720, 49184, 61480, 61904, 67744, 77380, 84680, 98368, 112201, 122960, 123808, 135488, 154760, 169360, 196736, 224402, 245920, 247616, 270976, 309520, 338720, 448804, 491840, 495232, 561005, 619040, 677440, 897608, 983680, 1122010, 1238080, 1354880, 1795216, 2244020, 2476160, 3590432, 4488040, 7180864, 8976080, 14361728, 17952160, 35904320, 71808640]

約数ペア:

[(1, 71808640), (2, 35904320), (4, 17952160), (5, 14361728), (8, 8976080), (10, 7180864), (16, 4488040), (20, 3590432), (29, 2476160), (32, 2244020), (40, 1795216), (53, 1354880), (58, 1238080), (64, 1122010), (73, 983680), (80, 897608), (106, 677440), (116, 619040), (128, 561005), (145, 495232), (146, 491840), (160, 448804), (212, 338720), (232, 309520), (265, 270976), (290, 247616), (292, 245920), (320, 224402), (365, 196736), (424, 169360), (464, 154760), (530, 135488), (580, 123808), (584, 122960), (640, 112201), (730, 98368), (848, 84680), (928, 77380), (1060, 67744), (1160, 61904), (1168, 61480), (1460, 49184), (1537, 46720), (1696, 42340), (1856, 38690), (2117, 33920), (2120, 33872), (2320, 30952), (2336, 30740), (2920, 24592), (3074, 23360), (3392, 21170), (3712, 19345), (3869, 18560), (4234, 16960), (4240, 16936), (4640, 15476), (4672, 15370), (5840, 12296), (6148, 11680), (6784, 10585), (7685, 9344), (7738, 9280), (8468, 8480)]