15984860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 34728960

約数和(自身を除く): 18744100

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 151, 158, 268, 302, 316, 335, 395, 604, 670, 755, 790, 1340, 1510, 1580, 3020, 5293, 10117, 10586, 11929, 20234, 21172, 23858, 26465, 40468, 47716, 50585, 52930, 59645, 101170, 105860, 119290, 202340, 238580, 799243, 1598486, 3196972, 3996215, 7992430, 15984860]

約数ペア:

[(1, 15984860), (2, 7992430), (4, 3996215), (5, 3196972), (10, 1598486), (20, 799243), (67, 238580), (79, 202340), (134, 119290), (151, 105860), (158, 101170), (268, 59645), (302, 52930), (316, 50585), (335, 47716), (395, 40468), (604, 26465), (670, 23858), (755, 21172), (790, 20234), (1340, 11929), (1510, 10586), (1580, 10117), (3020, 5293)]