11989040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 32378880

約数和(自身を除く): 20389840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 271, 280, 316, 395, 542, 553, 560, 632, 790, 1084, 1106, 1264, 1355, 1580, 1897, 2168, 2212, 2710, 2765, 3160, 3794, 4336, 4424, 5420, 5530, 6320, 7588, 8848, 9485, 10840, 11060, 15176, 18970, 21409, 21680, 22120, 30352, 37940, 42818, 44240, 75880, 85636, 107045, 149863, 151760, 171272, 214090, 299726, 342544, 428180, 599452, 749315, 856360, 1198904, 1498630, 1712720, 2397808, 2997260, 5994520, 11989040]

約数ペア:

[(1, 11989040), (2, 5994520), (4, 2997260), (5, 2397808), (7, 1712720), (8, 1498630), (10, 1198904), (14, 856360), (16, 749315), (20, 599452), (28, 428180), (35, 342544), (40, 299726), (56, 214090), (70, 171272), (79, 151760), (80, 149863), (112, 107045), (140, 85636), (158, 75880), (271, 44240), (280, 42818), (316, 37940), (395, 30352), (542, 22120), (553, 21680), (560, 21409), (632, 18970), (790, 15176), (1084, 11060), (1106, 10840), (1264, 9485), (1355, 8848), (1580, 7588), (1897, 6320), (2168, 5530), (2212, 5420), (2710, 4424), (2765, 4336), (3160, 3794)]