231680360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 540933120

約数和(自身を除く): 309252760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 620, 727, 1028, 1240, 1285, 1454, 2056, 2570, 2908, 3635, 5140, 5816, 7270, 7967, 10280, 14540, 15934, 22537, 29080, 31868, 39835, 45074, 63736, 79670, 90148, 112685, 159340, 180296, 186839, 225370, 318680, 373678, 450740, 747356, 901480, 934195, 1494712, 1868390, 3736780, 5792009, 7473560, 11584018, 23168036, 28960045, 46336072, 57920090, 115840180, 231680360]

約数ペア:

[(1, 231680360), (2, 115840180), (4, 57920090), (5, 46336072), (8, 28960045), (10, 23168036), (20, 11584018), (31, 7473560), (40, 5792009), (62, 3736780), (124, 1868390), (155, 1494712), (248, 934195), (257, 901480), (310, 747356), (514, 450740), (620, 373678), (727, 318680), (1028, 225370), (1240, 186839), (1285, 180296), (1454, 159340), (2056, 112685), (2570, 90148), (2908, 79670), (3635, 63736), (5140, 45074), (5816, 39835), (7270, 31868), (7967, 29080), (10280, 22537), (14540, 15934)]