255361680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16889}}^1$

素因数の和:16918

約数の個数: 160

約数和(自身を含む): 1005292800

約数和(自身を除く): 749931120

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, 15120, 16889, 33778, 50667, 67556, 84445, 101334, 118223, 135112, 152001, 168890, 202668, 236446, 253335, 270224, 304002, 337780, 354669, 405336, 456003, 472892, 506670, 591115, 608004, 675560, 709338, 760005, 810672, 912006, 945784, 1013340, 1064007, 1182230, 1216008, 1351120, 1418676, 1520010, 1773345, 1824012, 1891568, 2026680, 2128014, 2280015, 2364460, 2432016, 2837352, 3040020, 3192021, 3546690, 3648024, 4053360, 4256028, 4560030, 4728920, 5320035, 5674704, 6080040, 6384042, 7093380, 7296048, 8512056, 9120060, 9457840, 10640070, 12160080, 12768084, 14186760, 15960105, 17024112, 18240120, 21280140, 25536168, 28373520, 31920210, 36480240, 42560280, 51072336, 63840420, 85120560, 127680840, 255361680]

約数ペア:

[(1, 255361680), (2, 127680840), (3, 85120560), (4, 63840420), (5, 51072336), (6, 42560280), (7, 36480240), (8, 31920210), (9, 28373520), (10, 25536168), (12, 21280140), (14, 18240120), (15, 17024112), (16, 15960105), (18, 14186760), (20, 12768084), (21, 12160080), (24, 10640070), (27, 9457840), (28, 9120060), (30, 8512056), (35, 7296048), (36, 7093380), (40, 6384042), (42, 6080040), (45, 5674704), (48, 5320035), (54, 4728920), (56, 4560030), (60, 4256028), (63, 4053360), (70, 3648024), (72, 3546690), (80, 3192021), (84, 3040020), (90, 2837352), (105, 2432016), (108, 2364460), (112, 2280015), (120, 2128014), (126, 2026680), (135, 1891568), (140, 1824012), (144, 1773345), (168, 1520010), (180, 1418676), (189, 1351120), (210, 1216008), (216, 1182230), (240, 1064007), (252, 1013340), (270, 945784), (280, 912006), (315, 810672), (336, 760005), (360, 709338), (378, 675560), (420, 608004), (432, 591115), (504, 506670), (540, 472892), (560, 456003), (630, 405336), (720, 354669), (756, 337780), (840, 304002), (945, 270224), (1008, 253335), (1080, 236446), (1260, 202668), (1512, 168890), (1680, 152001), (1890, 135112), (2160, 118223), (2520, 101334), (3024, 84445), (3780, 67556), (5040, 50667), (7560, 33778), (15120, 16889)]