304825560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195401}}^1$

素因数の和:195428

約数の個数: 64

約数和(自身を含む): 984826080

約数和(自身を除く): 680000520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 195401, 390802, 586203, 781604, 977005, 1172406, 1563208, 1954010, 2344812, 2540213, 2931015, 3908020, 4689624, 5080426, 5862030, 7620639, 7816040, 10160852, 11724060, 12701065, 15241278, 20321704, 23448120, 25402130, 30482556, 38103195, 50804260, 60965112, 76206390, 101608520, 152412780, 304825560]

約数ペア:

[(1, 304825560), (2, 152412780), (3, 101608520), (4, 76206390), (5, 60965112), (6, 50804260), (8, 38103195), (10, 30482556), (12, 25402130), (13, 23448120), (15, 20321704), (20, 15241278), (24, 12701065), (26, 11724060), (30, 10160852), (39, 7816040), (40, 7620639), (52, 5862030), (60, 5080426), (65, 4689624), (78, 3908020), (104, 2931015), (120, 2540213), (130, 2344812), (156, 1954010), (195, 1563208), (260, 1172406), (312, 977005), (390, 781604), (520, 586203), (780, 390802), (1560, 195401)]