198389520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13121}}^1$

素因数の和:13150

約数の個数: 160

約数和(自身を含む): 781021440

約数和(自身を除く): 582631920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 13121, 15120, 26242, 39363, 52484, 65605, 78726, 91847, 104968, 118089, 131210, 157452, 183694, 196815, 209936, 236178, 262420, 275541, 314904, 354267, 367388, 393630, 459235, 472356, 524840, 551082, 590445, 629808, 708534, 734776, 787260, 826623, 918470, 944712, 1049680, 1102164, 1180890, 1377705, 1417068, 1469552, 1574520, 1653246, 1771335, 1836940, 1889424, 2204328, 2361780, 2479869, 2755410, 2834136, 3149040, 3306492, 3542670, 3673880, 4133115, 4408656, 4723560, 4959738, 5510820, 5668272, 6612984, 7085340, 7347760, 8266230, 9447120, 9919476, 11021640, 12399345, 13225968, 14170680, 16532460, 19838952, 22043280, 24798690, 28341360, 33064920, 39677904, 49597380, 66129840, 99194760, 198389520]

約数ペア:

[(1, 198389520), (2, 99194760), (3, 66129840), (4, 49597380), (5, 39677904), (6, 33064920), (7, 28341360), (8, 24798690), (9, 22043280), (10, 19838952), (12, 16532460), (14, 14170680), (15, 13225968), (16, 12399345), (18, 11021640), (20, 9919476), (21, 9447120), (24, 8266230), (27, 7347760), (28, 7085340), (30, 6612984), (35, 5668272), (36, 5510820), (40, 4959738), (42, 4723560), (45, 4408656), (48, 4133115), (54, 3673880), (56, 3542670), (60, 3306492), (63, 3149040), (70, 2834136), (72, 2755410), (80, 2479869), (84, 2361780), (90, 2204328), (105, 1889424), (108, 1836940), (112, 1771335), (120, 1653246), (126, 1574520), (135, 1469552), (140, 1417068), (144, 1377705), (168, 1180890), (180, 1102164), (189, 1049680), (210, 944712), (216, 918470), (240, 826623), (252, 787260), (270, 734776), (280, 708534), (315, 629808), (336, 590445), (360, 551082), (378, 524840), (420, 472356), (432, 459235), (504, 393630), (540, 367388), (560, 354267), (630, 314904), (720, 275541), (756, 262420), (840, 236178), (945, 209936), (1008, 196815), (1080, 183694), (1260, 157452), (1512, 131210), (1680, 118089), (1890, 104968), (2160, 91847), (2520, 78726), (3024, 65605), (3780, 52484), (5040, 39363), (7560, 26242), (13121, 15120)]