261694830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 638668800

約数和(自身を除く): 376973970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 191, 218, 327, 382, 419, 545, 573, 654, 838, 955, 1090, 1146, 1257, 1635, 1910, 2095, 2514, 2865, 3270, 4190, 5730, 6285, 12570, 20819, 41638, 45671, 62457, 80029, 91342, 104095, 124914, 137013, 160058, 208190, 228355, 240087, 274026, 312285, 400145, 456710, 480174, 624570, 685065, 800290, 1200435, 1370130, 2400870, 8723161, 17446322, 26169483, 43615805, 52338966, 87231610, 130847415, 261694830]

約数ペア:

[(1, 261694830), (2, 130847415), (3, 87231610), (5, 52338966), (6, 43615805), (10, 26169483), (15, 17446322), (30, 8723161), (109, 2400870), (191, 1370130), (218, 1200435), (327, 800290), (382, 685065), (419, 624570), (545, 480174), (573, 456710), (654, 400145), (838, 312285), (955, 274026), (1090, 240087), (1146, 228355), (1257, 208190), (1635, 160058), (1910, 137013), (2095, 124914), (2514, 104095), (2865, 91342), (3270, 80029), (4190, 62457), (5730, 45671), (6285, 41638), (12570, 20819)]