15697972720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{26293}}^1$

素因数の和:26762

約数の個数: 80

約数和(自身を含む): 38734217280

約数和(自身を除く): 23036244560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 439, 680, 878, 1360, 1756, 2195, 3512, 4390, 7024, 7463, 8780, 14926, 17560, 26293, 29852, 35120, 37315, 52586, 59704, 74630, 105172, 119408, 131465, 149260, 210344, 262930, 298520, 420688, 446981, 525860, 597040, 893962, 1051720, 1787924, 2103440, 2234905, 3575848, 4469810, 7151696, 8939620, 11542627, 17879240, 23085254, 35758480, 46170508, 57713135, 92341016, 115426270, 184682032, 196224659, 230852540, 392449318, 461705080, 784898636, 923410160, 981123295, 1569797272, 1962246590, 3139594544, 3924493180, 7848986360, 15697972720]

約数ペア:

[(1, 15697972720), (2, 7848986360), (4, 3924493180), (5, 3139594544), (8, 1962246590), (10, 1569797272), (16, 981123295), (17, 923410160), (20, 784898636), (34, 461705080), (40, 392449318), (68, 230852540), (80, 196224659), (85, 184682032), (136, 115426270), (170, 92341016), (272, 57713135), (340, 46170508), (439, 35758480), (680, 23085254), (878, 17879240), (1360, 11542627), (1756, 8939620), (2195, 7151696), (3512, 4469810), (4390, 3575848), (7024, 2234905), (7463, 2103440), (8780, 1787924), (14926, 1051720), (17560, 893962), (26293, 597040), (29852, 525860), (35120, 446981), (37315, 420688), (52586, 298520), (59704, 262930), (74630, 210344), (105172, 149260), (119408, 131465)]