121215040

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5189}}^1$

素因数の和:5279

約数の個数: 56

約数和(自身を含む): 292653720

約数和(自身を除く): 171438680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 1168, 1460, 2336, 2920, 4672, 5189, 5840, 10378, 11680, 20756, 23360, 25945, 41512, 51890, 83024, 103780, 166048, 207560, 332096, 378797, 415120, 757594, 830240, 1515188, 1660480, 1893985, 3030376, 3787970, 6060752, 7575940, 12121504, 15151880, 24243008, 30303760, 60607520, 121215040]

約数ペア:

[(1, 121215040), (2, 60607520), (4, 30303760), (5, 24243008), (8, 15151880), (10, 12121504), (16, 7575940), (20, 6060752), (32, 3787970), (40, 3030376), (64, 1893985), (73, 1660480), (80, 1515188), (146, 830240), (160, 757594), (292, 415120), (320, 378797), (365, 332096), (584, 207560), (730, 166048), (1168, 103780), (1460, 83024), (2336, 51890), (2920, 41512), (4672, 25945), (5189, 23360), (5840, 20756), (10378, 11680)]