15980040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{44389}}^1$

素因数の和:44406

約数の個数: 48

約数和(自身を含む): 51936300

約数和(自身を除く): 35956260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 44389, 88778, 133167, 177556, 221945, 266334, 355112, 399501, 443890, 532668, 665835, 799002, 887780, 1065336, 1331670, 1598004, 1775560, 1997505, 2663340, 3196008, 3995010, 5326680, 7990020, 15980040]

約数ペア:

[(1, 15980040), (2, 7990020), (3, 5326680), (4, 3995010), (5, 3196008), (6, 2663340), (8, 1997505), (9, 1775560), (10, 1598004), (12, 1331670), (15, 1065336), (18, 887780), (20, 799002), (24, 665835), (30, 532668), (36, 443890), (40, 399501), (45, 355112), (60, 266334), (72, 221945), (90, 177556), (120, 133167), (180, 88778), (360, 44389)]