18280427940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{28297}}^1$

素因数の和:28446

約数の個数: 144

約数和(自身を含む): 57538436592

約数和(自身を除く): 39258008652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 97, 111, 148, 180, 185, 194, 222, 291, 333, 370, 388, 444, 485, 555, 582, 666, 740, 873, 970, 1110, 1164, 1332, 1455, 1665, 1746, 1940, 2220, 2910, 3330, 3492, 3589, 4365, 5820, 6660, 7178, 8730, 10767, 14356, 17460, 17945, 21534, 28297, 32301, 35890, 43068, 53835, 56594, 64602, 71780, 84891, 107670, 113188, 129204, 141485, 161505, 169782, 215340, 254673, 282970, 323010, 339564, 424455, 509346, 565940, 646020, 848910, 1018692, 1046989, 1273365, 1697820, 2093978, 2546730, 2744809, 3140967, 4187956, 5093460, 5234945, 5489618, 6281934, 8234427, 9422901, 10469890, 10979236, 12563868, 13724045, 15704835, 16468854, 18845802, 20939780, 24703281, 27448090, 31409670, 32937708, 37691604, 41172135, 47114505, 49406562, 54896180, 62819340, 82344270, 94229010, 98813124, 101557933, 123516405, 164688540, 188458020, 203115866, 247032810, 304673799, 406231732, 494065620, 507789665, 609347598, 914021397, 1015579330, 1218695196, 1523368995, 1828042794, 2031158660, 3046737990, 3656085588, 4570106985, 6093475980, 9140213970, 18280427940]

約数ペア:

[(1, 18280427940), (2, 9140213970), (3, 6093475980), (4, 4570106985), (5, 3656085588), (6, 3046737990), (9, 2031158660), (10, 1828042794), (12, 1523368995), (15, 1218695196), (18, 1015579330), (20, 914021397), (30, 609347598), (36, 507789665), (37, 494065620), (45, 406231732), (60, 304673799), (74, 247032810), (90, 203115866), (97, 188458020), (111, 164688540), (148, 123516405), (180, 101557933), (185, 98813124), (194, 94229010), (222, 82344270), (291, 62819340), (333, 54896180), (370, 49406562), (388, 47114505), (444, 41172135), (485, 37691604), (555, 32937708), (582, 31409670), (666, 27448090), (740, 24703281), (873, 20939780), (970, 18845802), (1110, 16468854), (1164, 15704835), (1332, 13724045), (1455, 12563868), (1665, 10979236), (1746, 10469890), (1940, 9422901), (2220, 8234427), (2910, 6281934), (3330, 5489618), (3492, 5234945), (3589, 5093460), (4365, 4187956), (5820, 3140967), (6660, 2744809), (7178, 2546730), (8730, 2093978), (10767, 1697820), (14356, 1273365), (17460, 1046989), (17945, 1018692), (21534, 848910), (28297, 646020), (32301, 565940), (35890, 509346), (43068, 424455), (53835, 339564), (56594, 323010), (64602, 282970), (71780, 254673), (84891, 215340), (107670, 169782), (113188, 161505), (129204, 141485)]