2101560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 6410880

約数和(自身を除く): 4309320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 211, 249, 332, 415, 422, 498, 633, 664, 830, 844, 996, 1055, 1245, 1266, 1660, 1688, 1992, 2110, 2490, 2532, 3165, 3320, 4220, 4980, 5064, 6330, 8440, 9960, 12660, 17513, 25320, 35026, 52539, 70052, 87565, 105078, 140104, 175130, 210156, 262695, 350260, 420312, 525390, 700520, 1050780, 2101560]

約数ペア:

[(1, 2101560), (2, 1050780), (3, 700520), (4, 525390), (5, 420312), (6, 350260), (8, 262695), (10, 210156), (12, 175130), (15, 140104), (20, 105078), (24, 87565), (30, 70052), (40, 52539), (60, 35026), (83, 25320), (120, 17513), (166, 12660), (211, 9960), (249, 8440), (332, 6330), (415, 5064), (422, 4980), (498, 4220), (633, 3320), (664, 3165), (830, 2532), (844, 2490), (996, 2110), (1055, 1992), (1245, 1688), (1266, 1660)]