18754352820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{38461}}^1$

素因数の和:38532

約数の個数: 240

約数和(自身を含む): 68803287168

約数和(自身を除く): 50048934348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 162, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 324, 378, 387, 405, 420, 430, 516, 540, 567, 602, 630, 645, 756, 774, 810, 860, 903, 945, 1134, 1161, 1204, 1260, 1290, 1505, 1548, 1620, 1806, 1890, 1935, 2268, 2322, 2580, 2709, 2835, 3010, 3483, 3612, 3780, 3870, 4515, 4644, 5418, 5670, 5805, 6020, 6966, 7740, 8127, 9030, 10836, 11340, 11610, 13545, 13932, 16254, 17415, 18060, 23220, 24381, 27090, 32508, 34830, 38461, 40635, 48762, 54180, 69660, 76922, 81270, 97524, 115383, 121905, 153844, 162540, 192305, 230766, 243810, 269227, 346149, 384610, 461532, 487620, 538454, 576915, 692298, 769220, 807681, 1038447, 1076908, 1153830, 1346135, 1384596, 1615362, 1653823, 1730745, 2076894, 2307660, 2423043, 2692270, 3115341, 3230724, 3307646, 3461490, 4038405, 4153788, 4846086, 4961469, 5192235, 5384540, 6230682, 6615292, 6922980, 7269129, 8076810, 8269115, 9692172, 9922938, 10384470, 11576761, 12115215, 12461364, 14538258, 14884407, 15576705, 16153620, 16538230, 19845876, 20768940, 21807387, 23153522, 24230430, 24807345, 29076516, 29768814, 31153410, 33076460, 34730283, 36345645, 43614774, 44653221, 46307044, 48460860, 49614690, 57883805, 59537628, 62306820, 69460566, 72691290, 74422035, 87229548, 89306442, 99229380, 104190849, 109036935, 115767610, 133959663, 138921132, 145382580, 148844070, 173651415, 178612884, 208381698, 218073870, 223266105, 231535220, 267919326, 297688140, 312572547, 347302830, 416763396, 436147740, 446532210, 520954245, 535838652, 625145094, 669798315, 694605660, 893064420, 937717641, 1041908490, 1250290188, 1339596630, 1562862735, 1875435282, 2083816980, 2679193260, 3125725470, 3750870564, 4688588205, 6251450940, 9377176410, 18754352820]

約数ペア:

[(1, 18754352820), (2, 9377176410), (3, 6251450940), (4, 4688588205), (5, 3750870564), (6, 3125725470), (7, 2679193260), (9, 2083816980), (10, 1875435282), (12, 1562862735), (14, 1339596630), (15, 1250290188), (18, 1041908490), (20, 937717641), (21, 893064420), (27, 694605660), (28, 669798315), (30, 625145094), (35, 535838652), (36, 520954245), (42, 446532210), (43, 436147740), (45, 416763396), (54, 347302830), (60, 312572547), (63, 297688140), (70, 267919326), (81, 231535220), (84, 223266105), (86, 218073870), (90, 208381698), (105, 178612884), (108, 173651415), (126, 148844070), (129, 145382580), (135, 138921132), (140, 133959663), (162, 115767610), (172, 109036935), (180, 104190849), (189, 99229380), (210, 89306442), (215, 87229548), (252, 74422035), (258, 72691290), (270, 69460566), (301, 62306820), (315, 59537628), (324, 57883805), (378, 49614690), (387, 48460860), (405, 46307044), (420, 44653221), (430, 43614774), (516, 36345645), (540, 34730283), (567, 33076460), (602, 31153410), (630, 29768814), (645, 29076516), (756, 24807345), (774, 24230430), (810, 23153522), (860, 21807387), (903, 20768940), (945, 19845876), (1134, 16538230), (1161, 16153620), (1204, 15576705), (1260, 14884407), (1290, 14538258), (1505, 12461364), (1548, 12115215), (1620, 11576761), (1806, 10384470), (1890, 9922938), (1935, 9692172), (2268, 8269115), (2322, 8076810), (2580, 7269129), (2709, 6922980), (2835, 6615292), (3010, 6230682), (3483, 5384540), (3612, 5192235), (3780, 4961469), (3870, 4846086), (4515, 4153788), (4644, 4038405), (5418, 3461490), (5670, 3307646), (5805, 3230724), (6020, 3115341), (6966, 2692270), (7740, 2423043), (8127, 2307660), (9030, 2076894), (10836, 1730745), (11340, 1653823), (11610, 1615362), (13545, 1384596), (13932, 1346135), (16254, 1153830), (17415, 1076908), (18060, 1038447), (23220, 807681), (24381, 769220), (27090, 692298), (32508, 576915), (34830, 538454), (38461, 487620), (40635, 461532), (48762, 384610), (54180, 346149), (69660, 269227), (76922, 243810), (81270, 230766), (97524, 192305), (115383, 162540), (121905, 153844)]