2712440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 6652800

約数和(自身を除く): 3940360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 83, 86, 95, 152, 166, 172, 190, 215, 332, 344, 380, 415, 430, 664, 760, 817, 830, 860, 1577, 1634, 1660, 1720, 3154, 3268, 3320, 3569, 4085, 6308, 6536, 7138, 7885, 8170, 12616, 14276, 15770, 16340, 17845, 28552, 31540, 32680, 35690, 63080, 67811, 71380, 135622, 142760, 271244, 339055, 542488, 678110, 1356220, 2712440]

約数ペア:

[(1, 2712440), (2, 1356220), (4, 678110), (5, 542488), (8, 339055), (10, 271244), (19, 142760), (20, 135622), (38, 71380), (40, 67811), (43, 63080), (76, 35690), (83, 32680), (86, 31540), (95, 28552), (152, 17845), (166, 16340), (172, 15770), (190, 14276), (215, 12616), (332, 8170), (344, 7885), (380, 7138), (415, 6536), (430, 6308), (664, 4085), (760, 3569), (817, 3320), (830, 3268), (860, 3154), (1577, 1720), (1634, 1660)]