8087940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 28828800

約数和(自身を除く): 20740860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 180, 196, 210, 245, 252, 262, 294, 315, 343, 393, 420, 441, 490, 524, 588, 630, 655, 686, 735, 786, 882, 917, 980, 1029, 1179, 1260, 1310, 1372, 1470, 1572, 1715, 1764, 1834, 1965, 2058, 2205, 2358, 2620, 2751, 2940, 3087, 3430, 3668, 3930, 4116, 4410, 4585, 4716, 5145, 5502, 5895, 6174, 6419, 6860, 7860, 8253, 8820, 9170, 10290, 11004, 11790, 12348, 12838, 13755, 15435, 16506, 18340, 19257, 20580, 23580, 25676, 27510, 30870, 32095, 33012, 38514, 41265, 44933, 55020, 57771, 61740, 64190, 77028, 82530, 89866, 96285, 115542, 128380, 134799, 165060, 179732, 192570, 224665, 231084, 269598, 288855, 385140, 404397, 449330, 539196, 577710, 673995, 808794, 898660, 1155420, 1347990, 1617588, 2021985, 2695980, 4043970, 8087940]

約数ペア:

[(1, 8087940), (2, 4043970), (3, 2695980), (4, 2021985), (5, 1617588), (6, 1347990), (7, 1155420), (9, 898660), (10, 808794), (12, 673995), (14, 577710), (15, 539196), (18, 449330), (20, 404397), (21, 385140), (28, 288855), (30, 269598), (35, 231084), (36, 224665), (42, 192570), (45, 179732), (49, 165060), (60, 134799), (63, 128380), (70, 115542), (84, 96285), (90, 89866), (98, 82530), (105, 77028), (126, 64190), (131, 61740), (140, 57771), (147, 55020), (180, 44933), (196, 41265), (210, 38514), (245, 33012), (252, 32095), (262, 30870), (294, 27510), (315, 25676), (343, 23580), (393, 20580), (420, 19257), (441, 18340), (490, 16506), (524, 15435), (588, 13755), (630, 12838), (655, 12348), (686, 11790), (735, 11004), (786, 10290), (882, 9170), (917, 8820), (980, 8253), (1029, 7860), (1179, 6860), (1260, 6419), (1310, 6174), (1372, 5895), (1470, 5502), (1572, 5145), (1715, 4716), (1764, 4585), (1834, 4410), (1965, 4116), (2058, 3930), (2205, 3668), (2358, 3430), (2620, 3087), (2751, 2940)]