30354760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 40769720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 223, 328, 332, 410, 415, 446, 664, 820, 830, 892, 1115, 1640, 1660, 1784, 2230, 3320, 3403, 4460, 6806, 8920, 9143, 13612, 17015, 18286, 18509, 27224, 34030, 36572, 37018, 45715, 68060, 73144, 74036, 91430, 92545, 136120, 148072, 182860, 185090, 365720, 370180, 740360, 758869, 1517738, 3035476, 3794345, 6070952, 7588690, 15177380, 30354760]

約数ペア:

[(1, 30354760), (2, 15177380), (4, 7588690), (5, 6070952), (8, 3794345), (10, 3035476), (20, 1517738), (40, 758869), (41, 740360), (82, 370180), (83, 365720), (164, 185090), (166, 182860), (205, 148072), (223, 136120), (328, 92545), (332, 91430), (410, 74036), (415, 73144), (446, 68060), (664, 45715), (820, 37018), (830, 36572), (892, 34030), (1115, 27224), (1640, 18509), (1660, 18286), (1784, 17015), (2230, 13612), (3320, 9143), (3403, 8920), (4460, 6806)]