18488520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 69984000

約数和(自身を除く): 51495480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 51, 53, 54, 57, 60, 68, 72, 76, 85, 90, 95, 102, 106, 108, 114, 120, 135, 136, 152, 153, 159, 170, 171, 180, 190, 204, 212, 216, 228, 255, 265, 270, 285, 306, 318, 323, 340, 342, 360, 380, 408, 424, 456, 459, 477, 510, 513, 530, 540, 570, 612, 636, 646, 680, 684, 760, 765, 795, 855, 901, 918, 954, 969, 1007, 1020, 1026, 1060, 1080, 1140, 1224, 1272, 1292, 1368, 1431, 1530, 1590, 1615, 1710, 1802, 1836, 1908, 1938, 2014, 2040, 2052, 2120, 2280, 2295, 2385, 2565, 2584, 2703, 2862, 2907, 3021, 3060, 3180, 3230, 3420, 3604, 3672, 3816, 3876, 4028, 4104, 4505, 4590, 4770, 4845, 5035, 5130, 5406, 5724, 5814, 6042, 6120, 6360, 6460, 6840, 7155, 7208, 7752, 8056, 8109, 8721, 9010, 9063, 9180, 9540, 9690, 10070, 10260, 10812, 11448, 11628, 12084, 12920, 13515, 14310, 14535, 15105, 16218, 17119, 17442, 18020, 18126, 18360, 19080, 19380, 20140, 20520, 21624, 23256, 24168, 24327, 27030, 27189, 28620, 29070, 30210, 32436, 34238, 34884, 36040, 36252, 38760, 40280, 40545, 43605, 45315, 48654, 51357, 54060, 54378, 57240, 58140, 60420, 64872, 68476, 69768, 72504, 81090, 85595, 87210, 90630, 97308, 102714, 108120, 108756, 116280, 120840, 121635, 135945, 136952, 154071, 162180, 171190, 174420, 181260, 194616, 205428, 217512, 243270, 256785, 271890, 308142, 324360, 342380, 348840, 362520, 410856, 462213, 486540, 513570, 543780, 616284, 684760, 770355, 924426, 973080, 1027140, 1087560, 1232568, 1540710, 1848852, 2054280, 2311065, 3081420, 3697704, 4622130, 6162840, 9244260, 18488520]

約数ペア:

[(1, 18488520), (2, 9244260), (3, 6162840), (4, 4622130), (5, 3697704), (6, 3081420), (8, 2311065), (9, 2054280), (10, 1848852), (12, 1540710), (15, 1232568), (17, 1087560), (18, 1027140), (19, 973080), (20, 924426), (24, 770355), (27, 684760), (30, 616284), (34, 543780), (36, 513570), (38, 486540), (40, 462213), (45, 410856), (51, 362520), (53, 348840), (54, 342380), (57, 324360), (60, 308142), (68, 271890), (72, 256785), (76, 243270), (85, 217512), (90, 205428), (95, 194616), (102, 181260), (106, 174420), (108, 171190), (114, 162180), (120, 154071), (135, 136952), (136, 135945), (152, 121635), (153, 120840), (159, 116280), (170, 108756), (171, 108120), (180, 102714), (190, 97308), (204, 90630), (212, 87210), (216, 85595), (228, 81090), (255, 72504), (265, 69768), (270, 68476), (285, 64872), (306, 60420), (318, 58140), (323, 57240), (340, 54378), (342, 54060), (360, 51357), (380, 48654), (408, 45315), (424, 43605), (456, 40545), (459, 40280), (477, 38760), (510, 36252), (513, 36040), (530, 34884), (540, 34238), (570, 32436), (612, 30210), (636, 29070), (646, 28620), (680, 27189), (684, 27030), (760, 24327), (765, 24168), (795, 23256), (855, 21624), (901, 20520), (918, 20140), (954, 19380), (969, 19080), (1007, 18360), (1020, 18126), (1026, 18020), (1060, 17442), (1080, 17119), (1140, 16218), (1224, 15105), (1272, 14535), (1292, 14310), (1368, 13515), (1431, 12920), (1530, 12084), (1590, 11628), (1615, 11448), (1710, 10812), (1802, 10260), (1836, 10070), (1908, 9690), (1938, 9540), (2014, 9180), (2040, 9063), (2052, 9010), (2120, 8721), (2280, 8109), (2295, 8056), (2385, 7752), (2565, 7208), (2584, 7155), (2703, 6840), (2862, 6460), (2907, 6360), (3021, 6120), (3060, 6042), (3180, 5814), (3230, 5724), (3420, 5406), (3604, 5130), (3672, 5035), (3816, 4845), (3876, 4770), (4028, 4590), (4104, 4505)]