15555040

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 21458720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 509, 764, 955, 1018, 1528, 1910, 2036, 2545, 3056, 3820, 4072, 5090, 6112, 7640, 8144, 10180, 15280, 16288, 20360, 30560, 40720, 81440, 97219, 194438, 388876, 486095, 777752, 972190, 1555504, 1944380, 3111008, 3888760, 7777520, 15555040]

約数ペア:

[(1, 15555040), (2, 7777520), (4, 3888760), (5, 3111008), (8, 1944380), (10, 1555504), (16, 972190), (20, 777752), (32, 486095), (40, 388876), (80, 194438), (160, 97219), (191, 81440), (382, 40720), (509, 30560), (764, 20360), (955, 16288), (1018, 15280), (1528, 10180), (1910, 8144), (2036, 7640), (2545, 6112), (3056, 5090), (3820, 4072)]