638298768

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{6421}}^1$

素因数の和:6560

約数の個数: 80

約数和(自身を含む): 1751921600

約数和(自身を除く): 1113622832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 109, 114, 152, 218, 228, 304, 327, 436, 456, 654, 872, 912, 1308, 1744, 2071, 2616, 4142, 5232, 6213, 6421, 8284, 12426, 12842, 16568, 19263, 24852, 25684, 33136, 38526, 49704, 51368, 77052, 99408, 102736, 121999, 154104, 243998, 308208, 365997, 487996, 699889, 731994, 975992, 1399778, 1463988, 1951984, 2099667, 2799556, 2927976, 4199334, 5599112, 5855952, 8398668, 11198224, 13297891, 16797336, 26595782, 33594672, 39893673, 53191564, 79787346, 106383128, 159574692, 212766256, 319149384, 638298768]

約数ペア:

[(1, 638298768), (2, 319149384), (3, 212766256), (4, 159574692), (6, 106383128), (8, 79787346), (12, 53191564), (16, 39893673), (19, 33594672), (24, 26595782), (38, 16797336), (48, 13297891), (57, 11198224), (76, 8398668), (109, 5855952), (114, 5599112), (152, 4199334), (218, 2927976), (228, 2799556), (304, 2099667), (327, 1951984), (436, 1463988), (456, 1399778), (654, 975992), (872, 731994), (912, 699889), (1308, 487996), (1744, 365997), (2071, 308208), (2616, 243998), (4142, 154104), (5232, 121999), (6213, 102736), (6421, 99408), (8284, 77052), (12426, 51368), (12842, 49704), (16568, 38526), (19263, 33136), (24852, 25684)]