209121120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11171}}^1$

素因数の和:11205

約数の個数: 144

約数和(自身を含む): 768588912

約数和(自身を除く): 559467792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 11171, 18720, 22342, 33513, 44684, 55855, 67026, 89368, 100539, 111710, 134052, 145223, 167565, 178736, 201078, 223420, 268104, 290446, 335130, 357472, 402156, 435669, 446840, 502695, 536208, 580892, 670260, 726115, 804312, 871338, 893680, 1005390, 1072416, 1161784, 1307007, 1340520, 1452230, 1608624, 1742676, 1787360, 2010780, 2178345, 2323568, 2614014, 2681040, 2904460, 3217248, 3485352, 4021560, 4356690, 4647136, 5228028, 5362080, 5808920, 6535035, 6970704, 8043120, 8713380, 10456056, 11617840, 13070070, 13941408, 16086240, 17426760, 20912112, 23235680, 26140140, 34853520, 41824224, 52280280, 69707040, 104560560, 209121120]

約数ペア:

[(1, 209121120), (2, 104560560), (3, 69707040), (4, 52280280), (5, 41824224), (6, 34853520), (8, 26140140), (9, 23235680), (10, 20912112), (12, 17426760), (13, 16086240), (15, 13941408), (16, 13070070), (18, 11617840), (20, 10456056), (24, 8713380), (26, 8043120), (30, 6970704), (32, 6535035), (36, 5808920), (39, 5362080), (40, 5228028), (45, 4647136), (48, 4356690), (52, 4021560), (60, 3485352), (65, 3217248), (72, 2904460), (78, 2681040), (80, 2614014), (90, 2323568), (96, 2178345), (104, 2010780), (117, 1787360), (120, 1742676), (130, 1608624), (144, 1452230), (156, 1340520), (160, 1307007), (180, 1161784), (195, 1072416), (208, 1005390), (234, 893680), (240, 871338), (260, 804312), (288, 726115), (312, 670260), (360, 580892), (390, 536208), (416, 502695), (468, 446840), (480, 435669), (520, 402156), (585, 357472), (624, 335130), (720, 290446), (780, 268104), (936, 223420), (1040, 201078), (1170, 178736), (1248, 167565), (1440, 145223), (1560, 134052), (1872, 111710), (2080, 100539), (2340, 89368), (3120, 67026), (3744, 55855), (4680, 44684), (6240, 33513), (9360, 22342), (11171, 18720)]