66955860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21881}}^1$

素因数の和:21913

約数の個数: 72

約数和(自身を含む): 215056296

約数和(自身を除く): 148100436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21881, 43762, 65643, 87524, 109405, 131286, 196929, 218810, 262572, 328215, 371977, 393858, 437620, 656430, 743954, 787716, 984645, 1115931, 1312860, 1487908, 1859885, 1969290, 2231862, 3347793, 3719770, 3938580, 4463724, 5579655, 6695586, 7439540, 11159310, 13391172, 16738965, 22318620, 33477930, 66955860]

約数ペア:

[(1, 66955860), (2, 33477930), (3, 22318620), (4, 16738965), (5, 13391172), (6, 11159310), (9, 7439540), (10, 6695586), (12, 5579655), (15, 4463724), (17, 3938580), (18, 3719770), (20, 3347793), (30, 2231862), (34, 1969290), (36, 1859885), (45, 1487908), (51, 1312860), (60, 1115931), (68, 984645), (85, 787716), (90, 743954), (102, 656430), (153, 437620), (170, 393858), (180, 371977), (204, 328215), (255, 262572), (306, 218810), (340, 196929), (510, 131286), (612, 109405), (765, 87524), (1020, 65643), (1530, 43762), (3060, 21881)]