31180240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4316

約数の個数: 80

約数和(自身を含む): 89244288

約数和(自身を除く): 58064048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 4283, 7280, 8566, 17132, 21415, 29981, 34264, 42830, 55679, 59962, 68528, 85660, 111358, 119924, 149905, 171320, 222716, 239848, 278395, 299810, 342640, 389753, 445432, 479696, 556790, 599620, 779506, 890864, 1113580, 1199240, 1559012, 1948765, 2227160, 2398480, 3118024, 3897530, 4454320, 6236048, 7795060, 15590120, 31180240]

約数ペア:

[(1, 31180240), (2, 15590120), (4, 7795060), (5, 6236048), (7, 4454320), (8, 3897530), (10, 3118024), (13, 2398480), (14, 2227160), (16, 1948765), (20, 1559012), (26, 1199240), (28, 1113580), (35, 890864), (40, 779506), (52, 599620), (56, 556790), (65, 479696), (70, 445432), (80, 389753), (91, 342640), (104, 299810), (112, 278395), (130, 239848), (140, 222716), (182, 171320), (208, 149905), (260, 119924), (280, 111358), (364, 85660), (455, 68528), (520, 59962), (560, 55679), (728, 42830), (910, 34264), (1040, 29981), (1456, 21415), (1820, 17132), (3640, 8566), (4283, 7280)]