287280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:48

約数の個数: 160

約数和(自身を含む): 1190400

約数和(自身を除く): 903120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1890, 1995, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2660, 2736, 3024, 3192, 3420, 3591, 3780, 3990, 4104, 4560, 4788, 5040, 5130, 5320, 5985, 6384, 6840, 7182, 7560, 7980, 8208, 9576, 10260, 10640, 11970, 13680, 14364, 15120, 15960, 17955, 19152, 20520, 23940, 28728, 31920, 35910, 41040, 47880, 57456, 71820, 95760, 143640, 287280]

約数ペア:

[(1, 287280), (2, 143640), (3, 95760), (4, 71820), (5, 57456), (6, 47880), (7, 41040), (8, 35910), (9, 31920), (10, 28728), (12, 23940), (14, 20520), (15, 19152), (16, 17955), (18, 15960), (19, 15120), (20, 14364), (21, 13680), (24, 11970), (27, 10640), (28, 10260), (30, 9576), (35, 8208), (36, 7980), (38, 7560), (40, 7182), (42, 6840), (45, 6384), (48, 5985), (54, 5320), (56, 5130), (57, 5040), (60, 4788), (63, 4560), (70, 4104), (72, 3990), (76, 3780), (80, 3591), (84, 3420), (90, 3192), (95, 3024), (105, 2736), (108, 2660), (112, 2565), (114, 2520), (120, 2394), (126, 2280), (133, 2160), (135, 2128), (140, 2052), (144, 1995), (152, 1890), (168, 1710), (171, 1680), (180, 1596), (189, 1520), (190, 1512), (210, 1368), (216, 1330), (228, 1260), (240, 1197), (252, 1140), (266, 1080), (270, 1064), (280, 1026), (285, 1008), (304, 945), (315, 912), (336, 855), (342, 840), (360, 798), (378, 760), (380, 756), (399, 720), (420, 684), (432, 665), (456, 630), (504, 570), (513, 560), (532, 540)]