87960880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1227

約数の個数: 120

約数和(自身を含む): 250631280

約数和(自身を除く): 162670400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1181, 1330, 1520, 1862, 1960, 2128, 2362, 2660, 3724, 3920, 4655, 4724, 5320, 5905, 7448, 8267, 9310, 9448, 10640, 11810, 14896, 16534, 18620, 18896, 22439, 23620, 33068, 37240, 41335, 44878, 47240, 57869, 66136, 74480, 82670, 89756, 94480, 112195, 115738, 132272, 157073, 165340, 179512, 224390, 231476, 289345, 314146, 330680, 359024, 448780, 462952, 578690, 628292, 661360, 785365, 897560, 925904, 1099511, 1157380, 1256584, 1570730, 1795120, 2199022, 2314760, 2513168, 3141460, 4398044, 4629520, 5497555, 6282920, 8796088, 10995110, 12565840, 17592176, 21990220, 43980440, 87960880]

約数ペア:

[(1, 87960880), (2, 43980440), (4, 21990220), (5, 17592176), (7, 12565840), (8, 10995110), (10, 8796088), (14, 6282920), (16, 5497555), (19, 4629520), (20, 4398044), (28, 3141460), (35, 2513168), (38, 2314760), (40, 2199022), (49, 1795120), (56, 1570730), (70, 1256584), (76, 1157380), (80, 1099511), (95, 925904), (98, 897560), (112, 785365), (133, 661360), (140, 628292), (152, 578690), (190, 462952), (196, 448780), (245, 359024), (266, 330680), (280, 314146), (304, 289345), (380, 231476), (392, 224390), (490, 179512), (532, 165340), (560, 157073), (665, 132272), (760, 115738), (784, 112195), (931, 94480), (980, 89756), (1064, 82670), (1181, 74480), (1330, 66136), (1520, 57869), (1862, 47240), (1960, 44878), (2128, 41335), (2362, 37240), (2660, 33068), (3724, 23620), (3920, 22439), (4655, 18896), (4724, 18620), (5320, 16534), (5905, 14896), (7448, 11810), (8267, 10640), (9310, 9448)]