2127440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 5892480

約数和(自身を除く): 3765040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 131, 140, 145, 203, 232, 262, 280, 290, 406, 464, 524, 560, 580, 655, 812, 917, 1015, 1048, 1160, 1310, 1624, 1834, 2030, 2096, 2320, 2620, 3248, 3668, 3799, 4060, 4585, 5240, 7336, 7598, 8120, 9170, 10480, 14672, 15196, 16240, 18340, 18995, 26593, 30392, 36680, 37990, 53186, 60784, 73360, 75980, 106372, 132965, 151960, 212744, 265930, 303920, 425488, 531860, 1063720, 2127440]

約数ペア:

[(1, 2127440), (2, 1063720), (4, 531860), (5, 425488), (7, 303920), (8, 265930), (10, 212744), (14, 151960), (16, 132965), (20, 106372), (28, 75980), (29, 73360), (35, 60784), (40, 53186), (56, 37990), (58, 36680), (70, 30392), (80, 26593), (112, 18995), (116, 18340), (131, 16240), (140, 15196), (145, 14672), (203, 10480), (232, 9170), (262, 8120), (280, 7598), (290, 7336), (406, 5240), (464, 4585), (524, 4060), (560, 3799), (580, 3668), (655, 3248), (812, 2620), (917, 2320), (1015, 2096), (1048, 2030), (1160, 1834), (1310, 1624)]