143720960

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1865

約数の個数: 80

約数和(自身を含む): 355905792

約数和(自身を除く): 212184832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1811, 1984, 2480, 2560, 3622, 3968, 4960, 7244, 7936, 9055, 9920, 14488, 15872, 18110, 19840, 28976, 36220, 39680, 56141, 57952, 72440, 79360, 112282, 115904, 144880, 224564, 231808, 280705, 289760, 449128, 463616, 561410, 579520, 898256, 927232, 1122820, 1159040, 1796512, 2245640, 2318080, 3593024, 4491280, 4636160, 7186048, 8982560, 14372096, 17965120, 28744192, 35930240, 71860480, 143720960]

約数ペア:

[(1, 143720960), (2, 71860480), (4, 35930240), (5, 28744192), (8, 17965120), (10, 14372096), (16, 8982560), (20, 7186048), (31, 4636160), (32, 4491280), (40, 3593024), (62, 2318080), (64, 2245640), (80, 1796512), (124, 1159040), (128, 1122820), (155, 927232), (160, 898256), (248, 579520), (256, 561410), (310, 463616), (320, 449128), (496, 289760), (512, 280705), (620, 231808), (640, 224564), (992, 144880), (1240, 115904), (1280, 112282), (1811, 79360), (1984, 72440), (2480, 57952), (2560, 56141), (3622, 39680), (3968, 36220), (4960, 28976), (7244, 19840), (7936, 18110), (9055, 15872), (9920, 14488)]