27581970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 44268270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 197, 359, 390, 394, 591, 718, 985, 1077, 1182, 1795, 1970, 2154, 2561, 2955, 3590, 4667, 5122, 5385, 5910, 7683, 9334, 10770, 12805, 14001, 15366, 23335, 25610, 28002, 38415, 46670, 70005, 70723, 76830, 140010, 141446, 212169, 353615, 424338, 707230, 919399, 1060845, 1838798, 2121690, 2758197, 4596995, 5516394, 9193990, 13790985, 27581970]

約数ペア:

[(1, 27581970), (2, 13790985), (3, 9193990), (5, 5516394), (6, 4596995), (10, 2758197), (13, 2121690), (15, 1838798), (26, 1060845), (30, 919399), (39, 707230), (65, 424338), (78, 353615), (130, 212169), (195, 141446), (197, 140010), (359, 76830), (390, 70723), (394, 70005), (591, 46670), (718, 38415), (985, 28002), (1077, 25610), (1182, 23335), (1795, 15366), (1970, 14001), (2154, 12805), (2561, 10770), (2955, 9334), (3590, 7683), (4667, 5910), (5122, 5385)]