81653220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 216

約数和(自身を含む): 285824448

約数和(自身を除く): 204171228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 121, 132, 138, 163, 165, 180, 198, 207, 220, 230, 242, 253, 276, 326, 330, 345, 363, 396, 414, 460, 484, 489, 495, 506, 605, 652, 660, 690, 726, 759, 815, 828, 978, 990, 1012, 1035, 1089, 1210, 1265, 1380, 1452, 1467, 1518, 1630, 1793, 1815, 1956, 1980, 2070, 2178, 2277, 2420, 2445, 2530, 2783, 2934, 3036, 3260, 3586, 3630, 3749, 3795, 4140, 4356, 4554, 4890, 5060, 5379, 5445, 5566, 5868, 7172, 7260, 7335, 7498, 7590, 8349, 8965, 9108, 9780, 10758, 10890, 11132, 11247, 11385, 13915, 14670, 14996, 15180, 16137, 16698, 17930, 18745, 19723, 21516, 21780, 22494, 22770, 25047, 26895, 27830, 29340, 32274, 33396, 33741, 35860, 37490, 39446, 41239, 41745, 44988, 45540, 50094, 53790, 55660, 56235, 59169, 64548, 67482, 74980, 78892, 80685, 82478, 83490, 98615, 100188, 107580, 112470, 118338, 123717, 125235, 134964, 161370, 164956, 166980, 168705, 177507, 197230, 206195, 224940, 236676, 247434, 250470, 295845, 322740, 337410, 355014, 371151, 394460, 412390, 453629, 494868, 500940, 591690, 618585, 674820, 710028, 742302, 824780, 887535, 907258, 1183380, 1237170, 1360887, 1484604, 1775070, 1814516, 1855755, 2268145, 2474340, 2721774, 3550140, 3711510, 4082661, 4536290, 5443548, 6804435, 7423020, 8165322, 9072580, 13608870, 16330644, 20413305, 27217740, 40826610, 81653220]

約数ペア:

[(1, 81653220), (2, 40826610), (3, 27217740), (4, 20413305), (5, 16330644), (6, 13608870), (9, 9072580), (10, 8165322), (11, 7423020), (12, 6804435), (15, 5443548), (18, 4536290), (20, 4082661), (22, 3711510), (23, 3550140), (30, 2721774), (33, 2474340), (36, 2268145), (44, 1855755), (45, 1814516), (46, 1775070), (55, 1484604), (60, 1360887), (66, 1237170), (69, 1183380), (90, 907258), (92, 887535), (99, 824780), (110, 742302), (115, 710028), (121, 674820), (132, 618585), (138, 591690), (163, 500940), (165, 494868), (180, 453629), (198, 412390), (207, 394460), (220, 371151), (230, 355014), (242, 337410), (253, 322740), (276, 295845), (326, 250470), (330, 247434), (345, 236676), (363, 224940), (396, 206195), (414, 197230), (460, 177507), (484, 168705), (489, 166980), (495, 164956), (506, 161370), (605, 134964), (652, 125235), (660, 123717), (690, 118338), (726, 112470), (759, 107580), (815, 100188), (828, 98615), (978, 83490), (990, 82478), (1012, 80685), (1035, 78892), (1089, 74980), (1210, 67482), (1265, 64548), (1380, 59169), (1452, 56235), (1467, 55660), (1518, 53790), (1630, 50094), (1793, 45540), (1815, 44988), (1956, 41745), (1980, 41239), (2070, 39446), (2178, 37490), (2277, 35860), (2420, 33741), (2445, 33396), (2530, 32274), (2783, 29340), (2934, 27830), (3036, 26895), (3260, 25047), (3586, 22770), (3630, 22494), (3749, 21780), (3795, 21516), (4140, 19723), (4356, 18745), (4554, 17930), (4890, 16698), (5060, 16137), (5379, 15180), (5445, 14996), (5566, 14670), (5868, 13915), (7172, 11385), (7260, 11247), (7335, 11132), (7498, 10890), (7590, 10758), (8349, 9780), (8965, 9108)]